Dilling Group, Inc.

Company facts

FY2025 rankings: Its parent company, Comfort Systems USA Inc., ranks:

#2 in PSC J047

#31 in PSC J044

#43 in PSC H345

#43 in PSC J045
Self-certified in SAM.gov: For Profit Organization
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 236210 Industrial Building Construction

236220 Commercial and Institutional Building Construction

238210 Electrical Contractors and Other Wiring Installation Contractors
Corporate family: Comfort Systems USA Inc. Parent Houston, TX FG8SSJKKWA33

Dilling Group, Inc.
SAM.gov registration date: Aug 24, 2009
Physical address: 111 E Mildred St, Logansport, IN 46947, USA
Website: dillinggroup.com
Founded: 1948
Employees: 251-1K
Estimated annual revenue: $10M-$50M
Industry: Industrials

Capital Goods

Industrial Conglomerates

Industrials & Manufacturing
SIC code: 35 Industrial Machinery & Equipment
Profiles: LinkedIn

Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Nov 10, 2026.

Yes. Dilling Group, Inc.'s SAM.gov registration is active through November 9, 2027.

Dilling Group, Inc.'s CAGE code is 5NJ66, and its Unique Entity ID (UEI) is SKSUTX5R5CC6.

Dilling Group, Inc.'s parent company, Comfort Systems USA Inc., ranked #2 in PSC J047, #31 in PSC J044 and #43 in PSC H345 in FY2025.

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