| RANK |
FIRM |
|
| 2007 |
2006 |
|
TYPE OF FIRM |
|
101
|
106
|
GZA GeoEnvironmental Inc., Norwood, Mass.† |
CSL
|
|
102
|
85
|
PDG Environmental Inc., Pittsburgh, Pa. |
CON
|
|
103
|
97
|
Jones & Stokes Associates Inc., Sacramento, Calif. |
CSL
|
|
104
|
109
|
Carlin Contracting Co. Inc., Waterford, Conn. |
CON
|
|
105
|
102
|
Safety and Ecology Corp., Knoxville, Tenn.† |
CON
|
|
106
|
105
|
Shook National Corp., Dayton, Ohio† |
CON
|
|
107
|
41
|
The Morganti Group Inc., Danbury, Conn. |
OPS
|
|
108
|
**
|
RBF Consulting, Irvine, Calif. |
DES
|
|
109
|
104
|
Greeley and Hansen LLC, Chicago, Ill.† |
DES
|
|
110
|
99
|
COMANCO Environmental Corp., Plant City, Fla. |
CON
|
|
111
|
71
|
Cajun Constructors Inc., Baton Rouge, La. |
CON
|
|
112
|
132
|
Barr Engineering Co., Minneapolis, Minn. |
CSL
|
|
113
|
141
|
Traylor Bros. Inc., Evansville, Ind. |
CON
|
|
114
|
111
|
HEPACO Inc., Charlotte, N.C.† |
OPS
|
|
115
|
117
|
Irex Corp., Lancaster, Pa.† |
CON
|
|
116
|
128
|
SWCA Inc., Phoenix, Ariz. |
CSL
|
|
117
|
134
|
Professional Service industries Inc., Oakbrook Terrace, Ill. |
DES
|
|
118
|
98
|
TolTest Inc., Maumee, Ohio |
CON
|
|
119
|
119
|
Parametrix Inc., Sumner, Wash. |
DES
|
|
120
|
122
|
Roux Associates Inc., Islandia, N.Y.† |
CSL
|
|
121
|
75
|
The Conti Group, South Plainfield, N.J. |
CON
|
|
122
|
121
|
Apex Companies LLC, Rockville, Md. |
CSL
|
|
123
|
**
|
Auburn Constructors Inc., Sacramento, Calif. |
CON
|
|
124
|
148
|
Eagle Contracting LP, Keller, Texas |
CON
|
|
125
|
**
|
Merrick & Co., Aurora, Colo.† |
DES
|
|
126
|
158
|
ADS LLC, Huntsville, Ala.† |
CSL
|
|
127
|
161
|
Decommissioning & Environ. management Co., West Seneca,
N.Y.† |
CON
|
|
128
|
92
|
Slayden Construction Group Inc., Stayton, Ore. |
CON
|
|
129
|
**
|
Building Crafts Inc., Wilder, Ky. |
CON
|
|
130
|
108
|
Versar Inc., Springfield, Va.† |
CM/PM
|
|
131
|
**
|
EBI Consulting, Burlington, Mass. |
CSL
|
|
132
|
151
|
Haren Construction Co. Inc., Etowah, Tenn. |
CON
|
|
133
|
130
|
Civil & Environmental Consultants Inc., Pittsburgh, Pa. |
DES
|
|
134
|
150
|
HydroGeoLogic Inc., Herndon, Va. |
CON
|
|
135
|
136
|
Langan Engineering & Environ. Services Inc., Elmwood Park, N.J. |
DES/CSL
|
|
136
|
124
|
Pepper Construction Group, Chicago, Ill.† |
CON
|
|
137
|
142
|
AKRF Inc., New York, N.Y. |
CSL
|
|
138
|
131
|
Weston & Sampson Engineers Inc., Peabody, Mass.† |
DES
|
|
139
|
140
|
Environmental Consulting & Technology Inc., Gainesville,
Fla. |
CSL
|
|
140
|
133
|
Judy Construction Co., Cynthiana, Ky. |
CON
|
|
141
|
147
|
ET Environmental Corp. LLC, Atlanta, Ga. |
CON
|
|
142
|
165
|
CPS Environmental Group, Long Beach, Calif.† |
CON
|
|
143
|
138
|
Precision Environmental Co., Independence, Ohio† |
CON
|
|
144
|
139
|
Hayes, Seay, Mattern & Mattern Inc., Roanoke, Va.† |
DES
|
|
145
|
159
|
ESA, San Francisco, Calif. |
CSL
|
|
146
|
153
|
S&ME Inc., Raleigh, N.C. |
DES
|
|
147
|
123
|
Wade Trim Group, Taylor, Mich.† |
DES
|
|
148
|
149
|
TN & Associates Inc., Milwaukee, Wis. |
CON
|
|
149
|
137
|
Eberline Services Inc., Albuquerque, N.M.† |
OPS
|
|
150
|
154
|
Mosser Construction Inc., Fremont, Ohio† |
CON
|
