| 1 | Topbuild CORP. | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | topbuild.***** | 1929 | $5,329,803,000 | 13,984 | N/A | N/A | 5691119 |
| 2 | Performance Contracting, INC. | USA | Lenexa | 11145 Thompson Ave | Johnson | 66219 | performancecontracting.***** | 1984 | $862,054,789 | 3,000 | N/A | N/A | 0902205 |
| 3 | Specialty Distribution Group, LLC | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | N/A | 2015 | $730,006,303 | 790 | N/A | N/A | N/A |
| 4 | Anson Industries INC. | USA | Melrose Park | 1959 Anson Dr | Cook | 60160 | anning-johnson.***** | 1940 | $597,691,274 | 1,300 | N/A | N/A | 0530619 |
| 5 | Installed Building Products LLC | USA | Columbus | 495 S High St Ste 150 | Franklin | 43215 | installedbuildingproducts.***** | 2001 | $579,426,786 | 2,800 | N/A | N/A | 3403003 |
| 6 | Builder Services Group, INC. | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | minsulation.***** | 2024 | $510,065,578 | 583 | N/A | N/A | P93000088397 |
| 7 | General Insulation Company | USA | Medford | 278 Mystic Ave Ste 209 | Middlesex | 02155 | generalinsulation.***** | 1981 | $475,980,216 | 432 | N/A | N/A | 041044750 |
| 8 | Arrow Exterminators, INC. | USA | Atlanta | 8613 Roswell Rd Bldg 4 | Fulton | 30350 | arrowexterminators.***** | 1978 | $442,724,551 | 2,500 | N/A | N/A | A702913 |
| 9 | Usi Legend Parent, INC. | USA | Saint Paul | 45 Minnesota Ave Ste 2500 | Ramsey | 55101 | N/A | 2018 | $351,418,624 | 1,900 | N/A | N/A | 6236546 |
| 10 | Anning-Johnson Company | USA | Hollywood | 1520 N 71st Ter | Broward | 33024 | N/A | 1940 | $334,000,000 | 1,200 | N/A | N/A | 0839852 |
| 11 | United Subcontractors, INC. | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | N/A | 2004 | $262,207,525 | 1,900 | N/A | N/A | N/A |
| 12 | Acousti Engineering Company Of Florida | USA | Orlando | 1040 Woodcock Rd Ste 100 | Orange | 32803 | acousti.***** | 1946 | $242,485,536 | 1,200 | N/A | N/A | 145836 |
| 13 | Western Partitions, INC. | USA | Wilsonville | 26055 Sw Canyon Creek Rd | Clackamas | 97070 | wpibuilds.***** | 1975 | $169,714,339 | 450 | N/A | N/A | 11280716 |
| 14 | F. L. Crane & Sons, INC. | USA | Fulton | 508 S Spring St | Itawamba | 38843 | flcrane.***** | 1963 | $157,306,101 | 575 | N/A | N/A | 211309 |
| 15 | Marek Brothers Systems, LLC | USA | Houston | 3539 Oak Forest Dr | Harris | 77018 | marekbros.***** | 1983 | $156,636,985 | 907 | N/A | N/A | 6381977 |
| 16 | Mhs Legacy Group, INC. | USA | Saint Louis | 1054 Central Industrial Dr | St. Louis City | 63110 | mhslegacy.***** | 2009 | $122,695,031 | 900 | N/A | N/A | 00942891 |
| 17 | Us Greenfiber, LLC | USA | Charlotte | 5500 77 Center Dr Ste 100 | Mecklenburg | 28217 | greenfiber.***** | 2013 | $121,642,009 | 535 | N/A | N/A | 3258547 |
| 18 | George M. Raymond CO. | USA | Las Vegas | 6435 S Valley View Blvd Ste H | Clark | 89118 | raymondgroup.***** | 1943 | $117,008,000 | 240 | N/A | N/A | 0227250 |
| 19 | Insulation Distributors, INC. | USA | Chanhassen | 8303 Audubon Rd | Carver | 55317 | idi-insulation.***** | 1979 | $108,032,352 | 230 | N/A | N/A | 106294796 |
| 20 | Topbuild Services Group CORP. | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | topbuild.***** | 2015 | $100,010,370 | 4,772 | N/A | N/A | 3326221 |
| 21 | Heritage Encon Group, Incorporated | USA | Charlotte | 228 Westinghouse Blvd Ste 103 | Mecklenburg | 28273 | unitherm1.***** | 1982 | $98,455,049 | 125 | N/A | N/A | 0317590 |
| 22 | Baker Drywall Partnership Llp | USA | Mesquite | 401 Us Highway 80 E | Starr | 75150 | bakertriangle.***** | 2006 | $97,790,034 | 3,043 | N/A | N/A | 751536114 |
| 23 | E M P Interiors INC | USA | Lakeside | 9831 Channel Rd | San Diego | 92040 | standarddrywall.***** | 1990 | $93,621,947 | 1,251 | N/A | N/A | 1482926 |
| 24 | Alpha Insulation & Water Proofing, INC. | USA | Universal City | 1649 Universal City Blvd Ste 101 | Bexar | 78148 | alphaiwp.***** | 2017 | $92,790,931 | 300 | N/A | N/A | 0061475100 |
| 25 | 31-W Insulation CO., INC. | USA | Goodlettsville | 7434 Cycle Ln | Davidson | 37072 | 31w.***** | 1974 | $90,634,754 | 600 | N/A | N/A | 621037670 |
| 26 | Eliason & Knuth Companies, INC. | USA | Omaha | 13324 Chandler Rd | Douglas | 68138 | cdminvestmentgroup.***** | 1977 | $89,686,786 | 1,200 | N/A | N/A | 0403016 |
| 27 | American National Services, INC. | USA | Daytona Beach | 475 N Williamson Blvd | Volusia | 32114 | N/A | 2017 | $86,815,767 | 890 | N/A | N/A | 2031342 |
| 28 | Sharpe Interior Systems, INC. | USA | Valencia | 28045 Harrison Pkwy | San Bernardino | 91355 | sharpeinteriorsystems.***** | 1976 | $65,000,000 | 25 | N/A | N/A | 1165012 |
| 29 | Valley Interior Systems, INC. | USA | Cincinnati | 2203 Fowler St | Hamilton | 45206 | visohio.***** | 1981 | $56,927,350 | 550 | N/A | N/A | 567023 |
| 30 | New England Finish Systems, LLC | USA | Salem | 1 Delaware Dr | Rockingham | 03079 | nefinish.***** | 1988 | $56,707,559 | 250 | N/A | N/A | 000940441 |
| 31 | Diversified Interiors Of El Paso, INC. | USA | El Paso | 4750 Ripley Dr | El Paso | 79922 | diversifiedinteriors.***** | 1981 | $54,230,590 | 400 | N/A | N/A | 751513859 |
| 32 | Kinzler Construction Services, INC. | USA | Ankeny | 700 Se Oralabor Rd Ste 1 | Polk | 50021 | insulation.***** | 1983 | $51,376,289 | 269 | N/A | N/A | 178508 |
| 33 | Baker Drywall, LTD. | USA | Mesquite | 401 Us Highway 80 E | Starr | 75150 | bakertriangle.***** | 2006 | $51,078,198 | 1,500 | N/A | N/A | 0802811111 |
| 34 | Keenan, Hopkins, Suder & Stowell Contractors, INC. | USA | Anaheim | 5109 E la Palma Ave Ste A | Orange | 92807 | khss.***** | 1996 | $49,398,280 | 2,000 | N/A | N/A | C24962-1996 |
| 35 | Creative Ceilings, INC. | USA | Concord | 5121 Port Chicago Hwy | Contra Costa | 94520 | creativeceilingsanddrywall.***** | 2000 | $49,317,423 | 8 | N/A | N/A | 2218850 |
| 36 | Wyatt Incorporated | USA | Pittsburgh | 4545 Campbells Run Rd Ste 2 | Allegheny | 15205 | wyattinc.***** | 1982 | $48,122,967 | 400 | N/A | N/A | 0000730483 |
| 37 | Bonitz Contracting Company, INC. | USA | Columbia | 645 Rosewood Dr | Richland | 29201 | bonitz.***** | 1987 | $47,889,506 | 525 | N/A | N/A | F168157 |
| 38 | California Drywall CO. | USA | San Jose | 2290 S 10th St | Santa Clara | 95112 | caldrywall.***** | 1946 | $47,709,665 | 250 | N/A | N/A | 0273939 |
| 39 | Alpha Insulation & Water Proofing Company | USA | Marietta | 1300 Williams Dr | Cobb | 30066 | alphaiwp.***** | 2017 | $47,531,984 | 350 | N/A | N/A | J721783 |
| 40 | Kenyon Construction, INC. | USA | Phoenix | 4001 W Indian School Rd | Maricopa | 85019 | kenyonweb.***** | 1978 | $47,126,744 | 1,500 | N/A | N/A | N/A |
| 41 | Standard Drywall, INC. | USA | Lakeside | 9831 Channel Rd | San Diego | 92040 | standarddrywall.***** | 1955 | $46,875,991 | 1,250 | N/A | N/A | 1142496 |
| 42 | Baker Drywall Management LLC | USA | Mesquite | 401 Us Highway 80 E | Starr | 75150 | bakertriangle.***** | 2006 | $46,711,836 | 1,500 | N/A | N/A | N/A |
| 43 | Alliance Partition Systems, LLC | USA | Arlington | 18824 Smokey Point Blvd Ste 101 | Snohomish | 98223 | alliancepartitions.***** | 2007 | $46,393,244 | 145 | N/A | N/A | 602973394 |
| 44 | Jay Henges Enterprises INC. | USA | Earth City | 4133 Shoreline Dr | St. Louis County | 63045 | henges.***** | 1969 | $44,760,603 | 300 | N/A | N/A | 430916729 |
| 45 | Miller Insulation CO., INC. | USA | Bismarck | 3520 E Century Ave | Burleigh | 58503 | millerinsulation.***** | 1984 | $43,751,328 | 550 | N/A | N/A | 0000002537 |
| 46 | Paul Johnson Drywall LLC | USA | Prescott | 957 Black Dr Ste A | Yavapai | 86305 | pauljohnsondrywall.***** | 1967 | $43,517,736 | 200 | N/A | N/A | 7356764 |
| 47 | Allied Construction Services, INC. | USA | Des Moines | 2122 Fleur Dr | Polk | 50321 | alliedconst.***** | 1950 | $42,787,680 | 900 | N/A | N/A | 1837 |
| 48 | Midwest Drywall CO., INC. | USA | Wichita | 1351 S Reca Ct Ste 101 | Sedgwick | 67209 | mwdw.***** | 1972 | $41,812,645 | 800 | N/A | N/A | 0360636 |
| 49 | Petrochem Insulation, INC. | USA | Tempe | 1501 W Fountainhead Pkwy Ste 550 | Maricopa | 85282 | asrcindustrial.***** | 2014 | $40,823,942 | 1,100 | N/A | N/A | 0717419 |
| 50 | Homeworks Energy, INC. | USA | Medford | 101 Station Lndg Ste 110 | Middlesex | 02155 | homeworksenergy.***** | 2012 | $40,649,536 | 266 | N/A | N/A | 461283369 |