TOP 15
SPECIALTY
CONTRACTORS
QUANTA
SERVICES
Houston
Texas
Founded: 1997
Firm Type: Electrical, Utility
40,000
Employees
$12.11 billion
Revenue
EMCOR
GROUP INC.
Norwalk
Connecticut
Founded: 1994
Firm Type: Mechanical, Electrical
33,000
Employees
$9.17 billion
Revenue
MASTEC INC.
Coral Gables
Florida
Founded: 1994
Firm Type: Utility, Electrical
17,300
Employees
$7.6 billion
Revenue
Photo By: Benh LIEU SONG, Louvre Museum Wikimedia Commons.jpg, CC BY-SA 3.0
BRANDSAFWAY
Kennesaw
Georgia
Founded: 1919
Firm Type: Concrete
38,000
Employees
$5 billion
Revenue
API GROUP
New Brighton
Minnesota
Founded: 1926
Firm Type: Fire Protection and Sprinklers, Mechanical, Utility
15,000
Employees
$4.1 billion
Revenue
HENKELS &
MCCOY GROUP
Blue Bell
Pennsylvania
Founded: 1923
Firm Type: Utility
6,000
Employees
$1.5 billion
Revenue
ROSENDIN
ELECTRIC
San Jose
California
Founded: 1919
Firm Type: Electrical
6,000
Employees
$2 billion
Revenue
COMFORT SYSTEMS
USA INC.
Houston
Texas
Founded: 1997
Firm Type: Mechanical
12,000
Employees
$2.6 billion
Revenue
Hanover
Maryland
Founded: 1860
Firm Type: Excavation/Foundation
10,500
Employees
$2.9 billion
Revenue
KELLER NORTH
AMERICA
Rolling Meadows
Illinois
Founded: 1891
Firm Type: Electrical
7,100
Employees
$2.07 billion
Revenue
MYR GROUP INC.
Phoenix
Arizona
Founded: 2015
Firm Type: Utility
5,000-10,000
Employees
$1.7 billion
Revenue
CENTURI
GROUP INC.
Bismarck
North Dakota
Founded: 1924
Firm Type: Electrical, Utility, Mechanical
6,500
Employees
$1.85 billion
Revenue
MDU CONSTRUCTION
SERVICES GROUP INC.
Lenexa
Kansas
Founded: 1984
Firm Type: Wall/Ceiling, Painting
3,000
Employees
$1.1 billion
Revenue
PERFORMANCE
CONTRACTING GROUP INC.
Pasadena
California
Founded: 1934
Firm Type: Mechanical
3,000
Employees
$1-2 billion
Revenue
ACCO ENGINEERED
SYSTEMS
San Jose
California
Founded: 1954
Firm Type: Electrical, Utility
3,800
Employees
$1.3 billion
Revenue
CUPERTINO
ELECTRIC INC.

Top 15 Specialty Contractors