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2008

HOW TO USE THE TABLES

Rankings: Companies are ranked below based on gross revenue they reported in 2007 for providing environmental services and products to domestic and international markets. The proportion of a firm’s gross environmental services revenue to its total gross revenue is provided as a percentage. Revenue figures are in $ millions. Percentages are rounded up or down to generate whole numbers.

Type of Firm: Designations are based on the largest proportion of environmental revenue reported by firms in seven categories: DES=Design, consulting and/or studies; CON=Construction and/or remediation; PM=Project and/or program management; EQP=Equipment and/or product manufacture; R&D=Technology and/or research & development; LAB=Laboratory and/or analytical services; OPS=Contract operations; OTH=Services not included in the above categories. Two or more designations appear if the largest proportion of revenue is evenly split between two or more categories, or if these categories are within 5% of each other. Companies not ranked among the Top 200 Environmental Firms in 2005 are designated by this symbol (**).

More detailed information on the Top 200 Environmental Firms can be found in the June 30/July 7, 2008 issue of ENR. Please click here for more information on ordering back issues.

The complete 2008 Top 200 Environmental Firms list with revenue and market data is available in PDF format. Click here for more information.

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The Top 200 Environmental Firms for 2008

RANK		FIRM	TYPE OF FIRM
2008	2007
101	121	The Conti Group, South Plainfield, N.J.	CON
102	110	COMANCO Environmental Corp., Plant City, Fla.	CON
103	128	Slayden Construction Group Inc., Stayton, Ore.	CON
104	122	Apex Companies LLC, Rockville, Md.	CSL
105	**	Posillico Environmental Inc., Farmingdale, N.Y.	CON
106	133	Traylor Bros. Inc., Evansville, Ind.	CON
107	109	Greeley and Hansen LLC, Chicago, Ill.†	DES
108	**	Nuprecon/CST Holdings LLC, Snoqualmie, Wash.†	CON
109	71	Sukut Construction Inc., Santa Ana, Calif.	CON
110	120	Roux Associates Inc., Islandia, N.Y.†	CSL
111	92	Creamer Environmental Inc., Hackensack, N.J.	CON
112	116	SWCA Inc., Phoenix, Ariz.	CSL
113	117	Professional Services Industries Inc., Oakbrook Terrace, Ill.	DES
114	125	Merrick & Co., Aurora, Colo.†	DES
115	**	Gartner Lee, Markham, Ontario	CSL
116	105	Safety and Ecology Corp., Knoxville, Tenn.†	CON
117	140	Judy Construction Co., Cynthiana, Ky.	CON
118	135	Langan Engineering & Environmental Services Inc., Elmwood Park, N.J.	DES/CSL
119	179	The HNTB Cos., Kansas City, Mo.†	DES
120	115	Irex Corp., Lancaster, Pa.†	CON
121	106	Shook National Corp., Dayton, Ohio†	CON
122	86	B.L. Harbert International LLC, Birmingham, Ala.	CON
123	137	AKRF Inc., New York, N.Y.	CSL
124	138	Weston & Sampson Engineers Inc., Peabody, Mass.†	DES
125	119	Parametrix, Auburn, Wash.	DES
126	147	Wade Trim Group, Detroit, Mich.†	DES
127	129	Building Crafts Inc., Wilder, Ky.	CON
128	134	HydroGeoLogic Inc., Reston, Va.	CON
129	160	Trinity Consultants Inc., Dallas, Texas†	CSL
130	124	Eagle Contracting LP, Keller, Texas	CON
131	151	Dudek, Encinitas, Calif.†	CSL
132	112	Barr Engineering Co., Edina, Minn.	CLS
133	132	Haren Construction Co. Inc., Etowah, Tenn.	CON
134	152	Psomas, Los Angeles, Calif.†	DES
135	170	ERRG, Concord, Calif.	CON
136	166	EnSafe Inc., Memphis, Tenn.†	CSL
137	153	The Winter Construction Co., Norcross, Ga.	CON
138	181	Stanek Constructors Inc., Golden, Colo.	CON
139	161	Burgess & Niple Inc., Columbus, Ohio	DES
140	146	S&ME Inc., Raleigh, N.C.	DES
141	139	Environmental Consulting & Technology Inc., Gainesville, Fla.	CSL
142	156	Dynamac Corp., Rockville, Md.	DES/CP
143	143	Precision Environmental Co., Independence, Ohio†	CON
144	136	Pepper Construction Group, Chicago, Ill.†	CON
145	**	Navarro Research and Engineering Inc., Oak Ridge, Tenn.	CON
146	165	McKim & Creed P.A., Wilmington, N.C.	DES
147	172	Stearns & Wheler LLC, Cazenovia, N.Y.	DES
148	149	Eberline Services Inc., Albuquerque, N.M.†	CON
149	178	Enercon Services Inc., Tulsa, Okla.	CSL
150	157	Trihydro Corp., Laramie, Wyo.	CON/CP

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Ranks | 1-50| 51-100| 101-150| 151-200 | Alphabetical List |

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