LICENSED MECHANICAL CONTRACTORS St. Louis County Department of Public Works The following list contains Mechanical Contractors that are licensed to perform work in St. Louis County. This list of contractors is accurate as of February 17, 2021. However, the list does change periodically. If you have any questions regarding this list of contractors, please contact our Mechanical Licensing Department at 314-615-7096.
Company Name
Address
City
State
Zip
Phone
1 Source Heating & Cooling, LLC
7220 N. Lindbergh Blvd., Ste. 300
Hazelwood
MO
63042 (314) 438-5070
101 Mobility of St. Louis
4025 South Old Hwy. 94, # T
St. Charles
MO
63304 (636) 447-1414
24-Hour Heating & Air
17301 Manchester Road
Wildwood
MO
63038 (636) 458-4100
72 Degrees, LLC
1325 Summerpoint Lane
Fenton
MO
63026 (314) 853-7446
A & A Heating and Air Conditioning, LLC
2601 Waltham Drive
St. Louis
MO
63125 (314) 267-4089
A & H Mechanical Contracting
P.O. Box 38
Collinsville
IL
62234 (618) 874-5588
A & OL, Inc.
10473 Arthur Place
St. Louis
MO
63131 (314) 807-4347
A I International, Inc.
8055-A National Turnpike
Louisville
KY
40214 (502) 873-4575
A Jay's Heating & Cooling Service
17925 Old Jamestown Road
Florissant
MO
63034 (314) 831-1660
A. Brooks Company, Inc.
8409 Olive Boulevard
University City
MO
63132 (314) 569-3511
A. Hildebrandt Contracting, LLC
12430 Tesson Ferry Rd., #147
St. Louis
MO
63128 (314) 686-9720
A. J. Franjic Heating & Cooling
4568 Alber Hill Drive
St. Louis
MO
63129 (314) 566-0617
A.W. Heating & Air Conditioning Corporation
10987 Linvalle Drive - Suite B
St. Louis
MO
63123 (314) 487-8853
A-1 Interstate Mechanical, LLC
1820 Cherokee Street
St. Louis
MO
63118 (314) 776-3050
AA Services of MO
335 Leffingwell, Suite 112
Kirkwood
MO
63122 (314) 821-8585
AAA Home Services, Inc.
7428 Mexico Road
St. Peters
MO
63376 (636) 928-4933
A-Air Pro, Inc.
P.O. Box 556
Wentzville
MO
63385 (636) 332-0092
Aaron's Alternative Energy, Inc.
3413 High Ridge Blvd.
High Ridge
MO
63049 (636) 677-4036
AB3 Mechanical, LLC
665 Penny Ln.
Imperial
MO
63052 (314) 712-0463
Abaco Fire Ext. Company
3683 S. Broadway
St. Louis
MO
63118 (314) 776-1200
Abbey Heating & Cooling
12 Covent Garden Court
Dardenne Prairie
MO
63368 (636) 265-5915