EX-21.1 5 h85278ex21-1.txt LIST OF SUBSIDIARIES OF COMFORT SYSTEMS USA, INC. 1 EXHIBIT 21.1 COMFORT SYSTEMS USA, INC. LIST OF SUBSIDIARIES
ENTITY STATE OF NUMBER NAME OF ENTITY ORGANIZATION ------ -------------- ------------ 1. Aaron Mechanical, Inc. Michigan 2. ACI Mechanical, Inc. Delaware 3. A.C.I. Mechanical USA, Inc. Delaware 4. Accurate Air Systems, L.P. Texas 5. Accu-Temp GP, Inc. Delaware 6. Accu-Temp LP, Inc. Delaware 7. Accu-Temp, LLC Indiana 8. Air Solutions USA, Inc. Delaware 9. Air Temp, Inc. Delaware 10. American Mechanical Inc. Michigan 11. American Refrigeration Contractors, Inc. Delaware 12. Atlas-Accurate Holdings, L.L.C. Delaware 13. Atlas Air Conditioning Company, L.P. Texas 14. Batchelor's Mechanical Contractors, Inc. Alabama 15. BCM Controls Corporation Massachusetts 16. Border Electric Co., L.P. Texas 17. Border Mechanical Co., L.P. Texas 18. Carson Brothers, Inc. Montana 19. CEL, Inc. (Casey Electric) Delaware 20. Central Mechanical Construction Co. , Inc. Delaware 21. Central Mechanical, Inc. Delaware 22. Climate Control, Inc. Delaware 23. Comfort Systems USA (Arkansas), Inc. Delaware 24. Comfort Systems USA (Bristol), Inc. Delaware 25. Comfort Systems USA (Cleveland), Inc. Ohio 26. Comfort Systems USA (Florida), Inc. Florida 27. Comfort Systems USA G.P., Inc. Delaware 28. Comfort Systems USA (Hartford), Inc. 29. Comfort Systems USA (Intermountain), Inc. Utah 30. Comfort Systems USA National Service Organization, Inc. Delaware 31. Comfort Systems USA (Philadelphia), Inc. Pennsylvania 32. Comfort Systems USA (Syracuse), Inc. New York 33. Comfort Systems USA (Texas), L.P. Texas 34. CS44 Acquisition Corp. [Edmonds/Service Refrigeration] Delaware 35. CS48 Acquisition Corp. Delaware 36. Design Mechanical Incorporated Delaware 37. Eastern Heating & Cooling, Inc. New York 38. Eastern Refrigeration Co., Inc. New York 39. EDS, Inc. [Energy Development Services] Minnesota
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ENTITY STATE OF NUMBER NAME OF ENTITY ORGANIZATION ------ -------------- ------------ 40. E.L. Pruitt Company Delaware 41. ESS Engineering, Inc. Delaware 42. F&G Mechanical Corporation Delaware 43. FIX Reinsurance Corporation Vermont 44. Fred Hayes Mechanical Contractors, Inc. Virginia 45. Gotham Air Conditioning Service, Inc. Delaware 46. Gulfside Mechanical, Inc. Delaware 47. H & H Plumbing & Heating, Inc. Delaware 48. H & M Mechanical, Inc. Delaware 49. Helm Corporation Colorado 50. Helm Corporation San Diego California 51. Hess Mechanical Corporation Delaware 52. Hillcrest Sheet Metal, Inc. Delaware 53. Industrial Cooling Inc. Delaware 54. J & J Mechanical, Inc. Kentucky 55. James Air Conditioning Enterprise Inc. Puerto Rico 56. Kilgust Mechanical, Inc. Delaware 57. Kuempel Service, Inc. Ohio 58. Lowrie Electric Company, Inc. Tennessee 59. MDC Service Corporation California 60. Mandell Mechanical Corporation New York 61. Martin Heating, Inc. Wyoming 62. Maximum Refrigeration & Air Conditioning Corp. Delaware 63. Meadowlands Fire Protection Corp. New Jersey 64. Mechanical Service Group, Inc. [Page] Delaware 65. Mechanical Technical Services, L.P. Texas 66. MJ Mechanical Services, Inc. Delaware 67. Neel Mechanical Contractors, Inc. Delaware 68. NJM Service Co. New Jersey 69. Nogle & Black Mechanical, Inc. Delaware 70. North American Mechanical, Inc. Delaware 71. North Jersey Mechanical Contractors, Inc. New Jersey 72. OK Sheet Metal and Air Conditioning, Inc. Delaware 73. Outbound Services, Inc. Delaware 74. Plant Services Incorporated Iowa 75. Quality Air Heating & Cooling, Inc. Michigan 76. River City Mechanical, Inc. Michigan 77. RMC2 Mechanical Systems, Inc. California 78. Ross & Associates, Inc. Delaware 79. S&K Air Conditioning Co., Inc. Georgia 80. S. I. Goldman Company, Inc. Delaware 81. S.M. Lawrence Company, Inc. Tennessee
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ENTITY STATE OF NUMBER NAME OF ENTITY ORGANIZATION ------ -------------- ------------ 82. SA Associates, Inc. Utah 83. Salmon & Alder, LLC Utah 84. Seasonair, Inc. Maryland 85. Shambaugh & Son, L.P. Texas 86. Sheren Plumbing & Heating, Inc. Delaware 87. Southern Bluegrass Mechanical, Inc. Delaware 88. Standard Heating & Air Conditioning Company Alabama 89. Superior Mechanical Systems, Inc. Delaware 90. Target Construction, Inc. Delaware 91. Temp-Right Service, Inc. Delaware 92. Temprite Air Conditioning and Refrigeration, Inc. Delaware 93. The Capital Refrigeration Company Delaware 94. The Fagan Company Kansas 95. Tri-City Mechanical, Inc. Arizona 96. Troost Service Co. Michigan 97. United Environmental Services, L.P. Texas 98. Walker-J-Walker, Inc. Tennessee 99. Weather Engineering, Inc. Delaware 100. Western Building Services, Inc. Colorado
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