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NAICS CodesNAICS Industry DescriptionCurrent size standard ($s)Size standards in number of employees Proposed Size Standard (8/22/25) Proposed Size Standard (8/20/26) Multiple of current FY25 dollars to SB Dollars to small businesses (FY24)Set-Aside $s to small businesses (FY24)Small businesses receiving contracts (FY24)
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541519Other Computer Related Services$34,000,000.0 $ 34,000,000 $ 531,000,000.00 15.62 $ 16,379,302,992.03 $16,704,760,581$13,025,950,8432,025
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236220Commercial and Institutional Building Construction$45,000,000.0 $ 45,000,000 6000.00 $ 13,485,871,074.96 $14,825,937,104$12,367,934,4612,646
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541330Engineering Services$25,500,000.0 $ 29,000,000 $ 252,000,000.00 9.88 $ 11,547,577,327.01 $12,048,600,685$7,861,089,6952,226
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541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 111,00028002.80 $ 11,172,850,586.05 $10,383,194,109$6,282,245,6583,310
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541512Computer Systems Design Services$34,000,000.0 $ 34,000,000 $ 531,000,000.00 15.62 $ 7,568,290,069.49 $8,502,002,885$6,609,522,4401,458
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561210Facilities Support Services12$47,000,000.0 $ 47,000,000 $ 156,000,000.00 3.32 $ 5,625,716,153.63 $5,304,863,407$4,154,306,4001,228
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541511Custom Computer Programming Services$34,000,000.0 $ 34,000,000 $ 531,000,000.00 15.62 $ 5,272,532,983.27 $5,961,584,878$3,494,406,4471,563
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541611Administrative Management and General Management Consulting Services$24,500,000.0 $ 27,000,000 $ 295,000,000.00 12.04 $ 5,182,611,745.02 $7,122,777,332$4,868,632,5962,128
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423850Service Establishment Equipment and Supplies Merchant Wholesalers12512009.60 $ 4,484,995,395.59 $3,407,265,974$3,407,054,83332
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339999All Other Miscellaneous Manufacturing550 10001.82 $ 4,089,840,265.71 $3,826,028,473$3,409,658,295672
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336413Other Aircraft Part and Auxiliary Equipment Manufacturing7 1,250 28002.24 $ 3,133,739,647.57 $2,177,288,875$1,221,934,7351,583
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336611Ship Building and Repairing1,300 23001.77 $ 2,596,956,217.41 $2,224,156,602$1,424,119,3641,079
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562910Remediation Services$25,000,000.0 $ 25,000,000 $ 113,000,000.00 4.52 $ 2,552,781,064.11 $3,604,152,764$2,589,973,221765
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237990Other Heavy and Civil Engineering Construction$45,000,000.0 $ 45,000,000 9000.00 $ 2,343,091,753.65 $3,000,508,020$2,051,900,675654
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541990All Other Professional, Scientific and Technical Services$19,500,000.0 $ 19,500,000 $ 61,000,000.00 3.13 $ 2,249,524,898.86 $2,817,061,691$1,958,968,3811,721
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324110Petroleum Refineries41,500 15001.00 $ 2,150,031,846.65 $2,547,839,114$1,539,101,951373
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561612Security Guards and Patrol Services$29,000,000.0 $ 34,000,000 $ 186,000,000.00 6.41 $ 1,887,231,728.96 $1,610,993,146$1,252,564,695246
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334111Electronic Computer Manufacturing1,250 25002.00 $ 1,773,225,327.90 $1,753,560,872$614,886,743667
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336411Aircraft Manufacturing1,500 28001.87 $ 1,637,230,079.74 $990,792,602$629,770,726535
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332993Ammunition (except Small Arms) Manufacturing1,500 15001.00 $ 1,493,623,225.73 $740,440,340$81,923,99555
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481212Nonscheduled Chartered Freight Air Transportation 1,500 15001.00 $ 1,483,724,327.93 $981,915,663$406,599,718105
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541513Computer Facilities Management Services$37,000,000.0 $ 37,000,000 $ 531,000,000.00 14.35 $ 1,456,140,192.73 $1,352,075,669$1,082,313,305380
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237310Highway, Street, and Bridge Construction$45,000,000.0 $ 45,000,000 7000.00 $ 1,335,870,690.83 $1,431,673,054$1,145,612,916851
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483111Deep Sea Freight Transportation1,050 15001.43 $ 1,171,049,141.93 $1,053,244,171$164,574,18533
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115310Support Activities for Forestry $11,500,000.0 $ 13,500,000 $ 191,000,000.00 16.61 $ 1,168,346,352.04 $1,291,385,445$940,556,8362,217
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481211Nonscheduled Chartered Passenger Air Transportation1,500 15001.00 $ 1,146,086,059.86 $575,276,991$186,019,804228
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518210Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services$40,000,000.0 $ 40,500,000 $ 402,000,000.00 10.05 $ 1,067,459,896.44 $912,491,523$573,252,582486
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334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing1,350 20001.48 $ 977,506,642.19 $1,074,970,774$202,202,846927
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238220Plumbing, Heating, and Air‑Conditioning Contractors $19,000,000.0 $ 19,000,000 5500.00 $ 902,944,732.22 $982,376,351$850,962,5711,470
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541614Process, Physical Distribution and Logistics Consulting Services$20,000,000.0 $ 21,000,000 $ 295,000,000.00 14.75 $ 800,033,793.72 $355,888,636$285,807,791239
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334419Other Electronic Component Manufacturing750 28003.73 $ 797,976,526.66 $494,883,251$119,405,9781,182
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541620Environmental Consulting Services$19,000,000.0 $ 19,000,000 $ 295,000,000.00 15.53 $ 721,476,405.30 $848,102,392$520,608,087754
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622110General Medical and Surgical Hospitals$47,000,000.0 $ 47,000,000 $ 144,000,000.00 3.06 $ 717,810,874.13 $717,404,033$612,351,830116
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339113Surgical Appliance and Supplies Manufacturing800 16002.00 $ 716,890,681.87 $894,198,514$475,252,8711,764
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334220Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing1,250 22501.80 $ 711,746,588.87 $680,886,610$261,735,109844
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561599All Other Travel Arrangement and Reservation Services$32,500,000.0 $ 35,000,000 $ 254,000,000.00 7.82 $ 699,340,206.37 $378,862,460$26,911,24633
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423450Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers20010005.00 $ 693,899,844.01 $558,448,834$196,381,418243
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561720Janitorial Services$22,000,000.0 $ 22,000,000 $ 58,000,000.00 2.64 $ 681,509,332.42 $660,654,318$587,516,4631,181
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561320Temporary Help Services$34,000,000.0 $ 34,000,000 $ 150,000,000.00 4.41 $ 673,341,496.83 $666,828,188$385,990,146382
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488190Other Support Activities for Air Transportation$40,000,000.0 $ 40,000,000 $ 285,000,000.00 7.13 $ 669,413,358.11 $588,718,294$429,073,887513
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493190Other Warehousing and Storage$36,500,000.0 $ 36,500,000 $ 174,000,000.00 4.77 $ 661,628,277.61 $283,359,655$83,051,77766
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339112Surgical and Medical Instrument Manufacturing1,000 16001.60 $ 647,241,648.05 $494,110,772$85,805,294797
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311991Perishable Prepared Food Manufacturing700 12501.79 $ 640,894,794.94 $591,460,221$486,106,658246
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541714Research and Development in Biotechnology (except Nanobiotechnology)111,00028002.80 $ 622,490,889.92 $515,447,264$135,471,604243
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541690Other Scientific and Technical Consulting Services $19,000,000.0 $ 19,000,000 $ 295,000,000.00 15.53 $ 588,985,180.61 $780,468,932$519,803,696825
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311421Fruit and Vegetable Canning31,000 19501.95 $ 585,868,382.46 $548,932,193$311,180,88949
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611519Other Technical and Trade Schools$21,000,000.0 $ 21,000,000 $ 56,000,000.00 2.67 $ 583,257,461.91 $607,528,839$533,398,708143
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332994Small Arms, Ordnance, and Ordnance Accessories Manufacturing1,000 15001.50 $ 566,991,741.80 $278,748,731$167,782,867690
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623110Nursing Care Facilities (Skilled Nursing Facilities)$34,000,000.0 $ 34,000,000 $ 60,000,000.00 1.76 $ 529,072,688.72 $450,924,098$4,447,663576
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621111Offices of Physicians (except Mental Health Specialists)$16,000,000.0 $ 19,000,000 $ 101,000,000.00 6.31 $ 485,609,313.55 $224,487,338$123,589,449489
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562119Other Waste Collection$47,000,000.0 $ 47,000,000 $ 47,000,000.00 1.00 $ 479,928,146.70 $13,275,529$10,495,674122
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561110Office Administrative Services$12,500,000.0 $ 15,500,000 $ 127,000,000.00 10.16 $ 478,919,668.65 $627,974,136$592,411,508373
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238210Electrical Contractors and Other Wiring Installation Contractors$19,000,000.0 $ 19,000,000 5500.00 $ 449,912,505.52 $529,439,807$376,244,5891,027
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611430Professional and Management Development Training$15,000,000.0 $ 17,500,000 $ 157,000,000.00 10.47 $ 443,136,452.40 $583,165,130$404,688,629921
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423610Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers20010005.00 $ 433,102,887.64 $475,224,065$5,441,83194
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237110Water and Sewer Line and Related Structures Construction$45,000,000.0 $ 45,000,000 7000.00 $ 432,958,210.01 $494,961,733$436,875,182463
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513210Software Publishers15$47,000,000.0 $ 47,000,000 3,600.000.00 $ 417,588,699.81 $411,846,337$91,220,399949
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238160Roofing Contractors$19,000,000.0 $ 19,000,000 6500.00 $ 404,347,346.28 $457,698,760$412,024,093378
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325998All Other Miscellaneous Chemical Product and Preparation Manufacturing650 15002.31 $ 401,122,364.89 $356,957,553$41,889,450325
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315990Apparel Accessories and Other Apparel Manufacturing600 10501.75 $ 391,837,750.91 $254,330,791$130,337,591396
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315210Cut and Sew Apparel Contractors750 26503.53 $ 389,760,157.74 $317,297,330$259,887,193141
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311611Animal (except Poultry) Slaughtering1,150 20001.74 $ 387,212,601.60 $382,756,699$259,906,49545
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561730Landscaping Services$9,500,000.0 $ 13,000,000 $ 58,000,000.00 6.11 $ 379,232,437.91 $386,502,691$346,651,0411,240
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541612Human Resources Consulting Services$29,000,000.0 $ 29,000,000 $ 295,000,000.00 10.17 $ 377,059,819.79 $414,510,616$342,359,760348
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325412Pharmaceutical Preparation Manufacturing1,300 13501.04 $ 374,173,251.69 $289,673,821$26,146,411190
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332999All Other Miscellaneous Fabricated Metal Product Manufacturing750 15002.00 $ 360,264,004.08 $263,666,118$96,847,1371,121
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334519Other Measuring and Controlling Device Manufacturing600 20003.33 $ 352,226,328.47 $386,651,090$179,360,561944
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493110General Warehousing and Storage$34,000,000.0 $ 34,000,000 $ 174,000,000.00 5.12 $ 336,780,856.36 $353,695,365$221,442,052146
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562998All Other Miscellaneous Waste Management Services$16,500,000.0 $ 16,500,000 $ 113,000,000.00 6.85 $ 327,963,606.69 $23,044,946$20,778,286190
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238990All Other Specialty Trade Contractors$19,000,000.0 $ 19,000,000 5500.00 $ 320,389,700.19 $349,344,821$301,148,144648
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336110Automobile and Light Duty Motor Vehicle Manufacturing1,50030502.03 $ 316,292,771.67 $302,187,227$286,757,94294
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332510Hardware Manufacturing750 12001.60 $ 314,903,025.47 $272,286,658$92,045,1681,533
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561990All Other Support Services$16,500,000.0 $ 20,500,000 $ 104,000,000.00 6.30 $ 308,431,249.32 $293,964,982$259,545,064475
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336612Boat Building1,000 23002.30 $ 296,754,800.79 $268,330,648$196,073,620228
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333310Commercial and Service Industry Machinery Manufacturing1,00010001.00 $ 292,024,182.78 $190,175,358$75,387,585858
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336992Military Armored Vehicle, Tank and Tank Component Manufacturing1,500 15001.00 $ 290,353,702.61 $473,451,377$248,880,443266
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541219Other Accounting Services$25,000,000.0 $ 25,000,000 $ 97,000,000.00 3.88 $ 288,538,529.39 $282,204,879$241,230,928118
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424210Drugs and Druggists’ Sundries Merchant Wholesalers25018007.20 $ 288,291,327.80 $236,305,698$18,43521
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311812Commercial Bakeries1,000 10001.00 $ 281,391,511.86 $319,871,192$137,476,37569
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811310Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance$12,500,000.0 $ 18,000,000 $ 393,000,000.00 31.44 $ 281,379,565.80 $281,198,335$196,781,3771,487
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334412Bare Printed Circuit Board Manufacturing750 28003.73 $ 278,736,584.48 $58,944,705$13,112,167364
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333120Construction Machinery Manufacturing1,250 25502.04 $ 277,041,104.36 $243,325,408$48,173,099268
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237130Power and Communication Line and Related Structures Construction$45,000,000.0 $ 45,000,000 15000.00 $ 275,611,906.25 $536,770,685$475,568,186221
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611512Flight Training$34,000,000.0 $ 34,500,000 $ 56,000,000.00 1.65 $ 272,325,900.58 $226,205,715$192,792,65876
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237120Oil and Gas Pipeline and Related Structures Construction$45,000,000.0 $ 45,000,000 20000.00 $ 268,986,458.13 $291,075,498$163,559,95785
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311999All Other Miscellaneous Food Manufacturing700 12501.79 $ 267,410,707.45 $254,388,066$151,395,636223
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311513Cheese Manufacturing1,250 23501.88 $ 265,524,086.74 $311,587,463$35,822,95819
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541310Architectural Services$12,500,000.0 $ 16,000,000 $ 135,000,000.00 10.80 $ 263,875,682.15 $392,672,829$319,408,725335
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337214Office Furniture (Except Wood) Manufacturing1,100 15501.41 $ 262,174,239.12 $245,354,522$115,136,674412
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236210Industrial Building Construction$45,000,000.0 $ 45,000,000 6000.00 $ 262,002,085.21 $294,908,216$238,134,588186
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336414Guided Missile and Space Vehicle Manufacturing1,300 28002.15 $ 258,362,906.47 $284,776,677$42,365,52714
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334290Other Communications Equipment Manufacturing800 22502.81 $ 252,516,131.54 $255,806,254$99,237,090653
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621910Ambulance Services$22,500,000.0 $ 28,500,000 $ 56,000,000.00 2.49 $ 251,915,810.06 $221,456,787$150,503,803175
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332722Bolt, Nut, Screw, Rivet and Washer Manufacturing600 19003.17 $ 250,007,752.08 $261,322,860$56,568,6101,211
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561611Investigation and Personal Background Check Services$25,000,000.0 $ 25,000,000 $ 186,000,000.00 7.44 $ 245,898,872.81 $261,489,480$216,358,075226
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621999All Other Miscellaneous Ambulatory Health Care Services$20,500,000.0 $ 22,500,000 $ 56,000,000.00 2.73 $ 238,754,761.96 $234,101,232$203,551,902179
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561621Security Systems Services (except Locksmiths)$25,000,000.0 $ 30,000,000 $ 186,000,000.00 7.44 $ 237,035,144.87 $264,059,467$199,713,055728
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334516Analytical Laboratory Instrument Manufacturing1,000 20002.00 $ 232,918,903.23 $371,273,482$111,588,7981,039
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541713Research and Development in Nanotechnology111,00028002.80 $ 231,156,097.63 $103,781,212$84,762,529141