|1 (1) $2,730.10||EMCOR Group Inc.
101 Merritt Seven, 7th Floor Norwalk, CT 06851
(203) 849-7800 www.emcorgroup.com 
|This company is one of the world's largest mechanical and electrical construction and facilities services firms, with 45 principal operating subsidiaries that have offices in 32 states and the District of Columbia. Approximately 80 percent of revenues were generated domestically. New construction projects produced 43 percent of revenues, and 57 percent of revenues were from renovation, retrofit and facility service work. Frank MacInnis, Chmn., CEO; Jeffrey Levy, Pres.|
|2 (2) $588.00||
Enron Facility Services
Houston, TX 77002
(713) 646-8755 www.enronfacilityservices.com 
|Data shown is for the Limbach Facilities Services unit of Enron. Commercial buildings accounted for 40 percent of the revenues of this mechanical contracting firm, institutional buildings for 35 percent and industrial buildings for 25 percent. Reconstruction projects were 15 percent, and federal projects and state and local government projects were each 5 percent. Limbach has a total staff of 550, including 20 mechanical engineers. Steve Wurzel, Pres. Construction.|
|3 (4) $319.00||Air Conditioning Co. Inc.
6265 San Fernando Rd. Glendale, CA 91201
(818) 244-6571 www.accoair.com 
|The company is involved in commercial and industrial HVAC, including design, fabrication, installation and service. Current projects include the California EPA building in Sacramento; the Desert Passage retail mall in Las Vegas; and Ford Motor Co.'s Lincoln/Mercury headquarters in Irvine, Calif. Commercial buildings generated 60 percent of revenues, industrial buildings 30 percent and institutional buildings 10 percent. John Aversano, Pres.; Ron Krassensky, Exec. VP.|
|4 (-) $246.00||Encompass Services Corp.
3 Greenway Plaza, Suite 2000 Houston, TX 77046
(713) 860-0100 www.encompserv.com 
|The data is for Encompass Mechanical Services Southeast, formerly Ivey Mechanical Co., and is one of eight mechanical services regions of Encompass. Encompass was formed by the February 2000 merger of Building One Services Corp., which had acquired Ivey in 1998, and Group Maintenance America Corp. Current projects include data centers in Winston-Salem, N.C.; Lawrenceville, Ga.; and Atlanta. Joseph Ivey, Pres., CEO; Henry Holland, Exec. VP.|
|5 (-) $241.20||Centimark Corp.
12 Grandview Circle Canonsburg, PA 15316
(724) 743-7777 www.centimark.com 
|Current projects of this employee-owned roofing contractor include replacement of a clay tile roof at Grove Park Inn in Asheville, N.C.; installation of a metal roof system at the Domain Chardon Winery in California; and rehabilitation of the roof at the Marriott Hotel in San Diego. Revenues were 50 percent from commercial buildings and 25 percent each from institutional buildings and industrial buildings. Edward Dunlap. Pres., CEO; Anthony Wasson, VP, Mktg.|
|6 (6) $205.00||TDIndustries
13850 Diplomat Drive,
P.O. Box 819060
Dallas, TX 75234
(972) 888-9500 www.tdindustries.com 
|This employee-owned mechanical/electrical contractor has staff of 1,444. Commercial buildings represented 75 percent of volume, institutional buildings 15 percent and industrial buildings 10 percent. Eighty percent of the work is performed on a design/bid/build basis, and the remainder as design/build. Offices are located in Austin, San Antonio and Houston, Texas; Denver; Atlanta; and Washington, D.C. Jack Lowe, Ben Houston and Bob Ferguson, Mng. Dirs.|
|7 (-) $160.00||Southland Industries
Irvine, CA 92614
(510) 440-5001 www.southlandind.com 
|This mechanical systems contractor's capabilities include design and construction of HVAC, process piping, plumbing, architectural raised floors, clean-room walls and ceilings and fire-protection systems. Current projects include the Summerlin Resort in Las Vegas; a $4.2 million renovation at Hoag Memorial Hospital in Newport Beach, Calif.; and mechanical and plumbing systems for the Portland (Ore.) Executive Hilton Hotel. Michael Moore, CEO; Andy Fimiano, COO.|
|8 (10) $144.00||John E. Green Co.
220 Victor Ave.
Highland Park, MI 48203
(313) 868-2400 www.johnegreen.com 
|This mechanical contractor's offerings include fire-protection services. About half of Green's work involves reconstruction. Current projects include a new midfield terminal at Detroit Metropolitan Airport. Institutional buildings and industrial buildings each accounted for 40 percent of volume, and commercial buildings for 10 percent. Value engineering is involved in about half of the assignments. Peter Green, Pres.|
|9 (9) $134.90||Sauer Inc.
30 Fifty-First St.
Pittsburgh, PA 15201
|Sauer is known for large mechanical, plumbing and piping projejcts. Reconstruction projects were 40 percent of volume. Current projects include HVAC work in student dormitories at Ohio State University; mechanical and plumbing systems for the Orlando International Airport control tower; and HVAC and plumbing for an addition to St. Ann's Hospital in Westerville, Ohio. William Steitz Jr., Pres.; Charles Steitz, Exec. VP.|
|10 (8) $129.69||ISEC Inc.
33 Inverness Drive East Englewood, CO 80112
(303) 790-1444 www.isecinc.com 
|ISEC specializes in building interiors and equipment for health-care, commercial, educational, research and government facilities. Commercial buildings represented 40 percent of revenues, industrial buildings 35 percent and institutional buildings 25 percent. Current work includes a $3.7 million contract for renovation of a science facility at UC-San Diego and a $5.7 million contract for work at an Anaheim, Calif., hotel. Lewis Anderson, Pres.; Cynthia Whitaker, VP.|
|11 (16) $120.00||Shambaugh & Son LP
P.O. Box 1287,
7614 Opportunity Drive
Fort Wayne, IN 46801
(219) 487-7777 www.shambaugh.com 
|Shambaugh's services cover the mechanical, electrical, fire-protection, process and temperature-controls areas. Industrial buildings comprised 69 percent of volume, institutional buildings 25 percent and commercial buildings 6 percent. Sixty percent of the work was delivered on a design/build basis, and 45 percent involved renovation. Max Shambaugh, Chmn.; Mark Shambaugh, CEO; Steve Gray, VP, Bus. Dev.|
|12 (12) $108.61||The Western Group
1637 N. Warson Rd.
St. Louis, MO 63132
(314) 427-1637 www.westerngroup.com 
|The company is best known for masonry and concrete restoration and waterproofing services. Commercial buildings were 53 percent of volume, institutional buildings 23 percent and industrial buildings 3 percent. Current work includes masonry restoration at Hotel Monaco in New Orleans and a stadium restoration at Texas Tech University in Lubbock. Ben Bishop Sr., Chmn.; Ben Bishop Jr., COO; Dennis Ahrenhoersterbaeumer, Bus. Dev.|
|13 (-) 104.50||Harmon Ltd.
2001 Killebrew Dr., Suite 400
Bloomington, MN 55425
|14 (15) $98.80||Murphy Co.
1233 N. Price Road
St. Louis, MO 63132
|15 (17) $72.90||Butler Construction (BUCON Inc.)
6601 Executive Dr.
Kansas City, MO 64120-2107
|16 (16) $64.50||Walbridge Aldinger
613 Abbott St.
Detroit, MI 48226-2521
|17 (19) $46.00||
Natkin Contracting LLC
2775 S. Vallejo St.
Englewood, CO 80110
|18 (-) $21.00||S.J. Amoroso Construction Co. Inc.
348 Hatch Drive
Foster City, CA 94404
|19 (-) $16.20||
Adolfson & Peterson Construction
6701 W. 23 St.
St. Louis Park, MN 55426
|20 (-) $11.07||Rudolph/Libbe Inc.
6494 Latcha Rd.
Walbridge, OH 43465