T

Terracon

Environmental Inc.

16000 College Blvd., Lenexa,

Kan. 66219; 800-593-7777;

fax: 913-492-6482Services began: 1980.

Parent: The Terracon Cos. Inc.

Frequent services: Real estate audits, manufacturing plant audits, design and analysis of remediation plans, design of waste minimization plans, public health risk assessment, UST management and removal.

Occasional services: Litigation support, regulatory and public policy analysis.

Other services: Remediation activities, general risk management consulting.

Staff: 171; 127 environmental professionals, including 24 principal consultants, 45 consultants; 27 PEs, 12 CPGs, four CGWPs.

Branch offices: 45 locations nationwide.

Service area: Nationwide.

Compensation: By the project; by the hour.

1996 gross revenues: $21 million; 80% from unbundled environmental risk management consulting.

Officers: John F. Hartwell, president; Dick Kanemasu, president-Western division; Cliff Yeckes, environmental manager-Western division; J. Lee Hutchins, senior technical consultant.

Testing Service Corp.

360 S. Main Place,

Carol Stream, Ill. 60188;

630-462-2600; fax: 630-653-2988Services began: 1980.

Frequent services: Real estate audits, UST management and removal, Phase I and II environmental site assessment, pre-notice site cleanup (Illinois).

Occasional services: Design and analysis of remediation plans, litigation support.

Other services: Remediation activities, environmental consulting to insurers and policy makers, general risk management consulting, asbestos surveys, lead-based paint surveys.

Staff: 170; 18 environmental professionals, including four principal consultants, 12 consultants; three PEs, one CPG, two REAs.

Clients: 130 environmental consulting clients; 120 corporate/institutional clients.

Specialties: Real estate acquisition, development and construction.

Branch offices: Bloomington, Ill.

Service area: Illinois, Indiana, Iowa, Michigan, Missouri, Wisconsin.

Compensation: By the project; by the hour: $45 to $125.

1996 gross revenues: $10.7 million; 14% from unbundled environmental risk management consulting.

Officers: Lawrence A. DuBose, chairman; Allen L. DuBose, president; Charles R. DuBose, Bruce R. Poynor, Tom Morris, vps.

Contact: Bruce R. Poynor.

Tetra Tech EM Inc.

1593 Spring Hill Road, Vienna,

Va. 22182; 703-287-8884;

fax: 703-287-8910Services began: 1984.

Parent: Tetra Tech Inc.

Frequent services: Real estate audits, manufacturing plant audits, design and analysis of remediation plans, design of waste minimization plans, public health risk assessment, regulatory and public policy analysis, UST management and removal, brownfields support.

Occasional services: Litigation support.

Other services: Environmental consulting to insurers and policy makers, general risk management consulting, team building and training, conference management and support, economic/insurance analysis.

Staff: 800, all environmental professionals, including 30 PEs, 12 CPGs, two ARMs, 20 CHMMs, five CIHs, 10 CGWPs, five REAs, 15 attorneys.

Clients: 30 environmental consulting clients; 10 corporate/institutional clients.

Specialties: Government agencies.

Branch offices: 38 worldwide.

Service area: Worldwide.

Compensation: By the project.

1996 gross revenues: $95 million; 95% from unbundled environmental risk management consulting.

Officers: Michael Nigro, COO; Bob Van Osten, CFO; Daniel Chow, Edward DiDomenico vps; Firouz Rooyani, vp-international; Mark Johnson, vp-environmental risk management services.

Contact: Mark Johnson.

Tillinghast-Towers Perrin

335 Madison Ave., New York,

N.Y. 10017; 212-309-3400;

fax: 212-309-3937Services began: 1990.

Parent: Towers Perrin.

Frequent services: Regulatory and public policy analysis, analysis of risk premiums in the transfer of environmental liabilities.

Occasional services: Litigation support.

Other services: Environmental consulting to insurers and policy makers; general risk management consulting; actuarial, claims management and general management consulting.

Staff: 384; two environmental professionals, including one principal consultant and one consultant.

Clients: 66 environmental consulting clients; 13 corporate/institutional clients.

Branch offices: 39 locations worldwide.

Service area: Worldwide.

Compensation: By the hour: $150 to $425.

1996 gross revenues: $72 million; 3.8% from unbundled environmental risk management consulting.

Officers: Michael Tuohy, managing principal.

Contact: Amy Bouska, 612-897-3300.

TolTest Inc.

1915 N. 12th St., Toledo,

Ohio 43603;

419-241-7175; fax: 419-241-1808Services began: 1927.

Frequent services: Real estate audits, manufacturing plant audits, design and analysis of remediation plans, UST management and removal, air quality consulting and testing, asbestos, industrial hygiene consulting, landfill and remediation engineering.

Occasional services: Design of waste minimization plans, litigation support, public health risk assessment, regulatory and public policy analysis.

Other services: Remediation activities, environmental consulting to insurers and policy makers, general risk management consulting.

Staff: 188; 80 environmental professionals, including 10 principal consultants, 70 consultants; five PEs, seven CPGs, two CHMMs.

Clients: 200 environmental consulting clients; 150 corporate/institutional clients.

Specialties: Industrial, commercial, construction.

Branch offices: Indianapolis; Monroe and Plymouth, Mich.; Monroeville, Pa.; Dayton, Ohio.

Service area: Nationwide.

Compensation: By the project, by the hour.

1996 gross revenues: $13.5 million; 50% from unbundled environmental risk management consulting.

Officers: Michael P. Boyle, president/CEO; Thomas R. Uhler, Jeffrey Ryan, vps; David Alleman, treasurer; Robert Leduc, secretary.

Contact: Jeffrey Ryan, 313-455-8600.