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Environmental consultants
Listed alphabetically; for a ranked list as it appeared in the paper, please purchase a PDF
Rank
Company
Website
Twitter handle
Website
Phone
Phone
Headquarters
Year established locally
Environmental services
1

AECOM
www.aecom.com
@AECOM
717-795-8001
Los Angeles
1990
PFAS remediation system design and implementation, industrial wastewater treatment, brownfield remediation, staff outsourcing, air pollution control
2
and
ARM Group Enterprises Inc.
www.armgroup.net
@armgroupinc
717-533-8600
Derry Twp.
1998
Environmental compliance audits, phase I/II ESAs, water supply, landfill design and permitting, renewable energy/geothermal, ecological services
3

August Mack Environmental Inc.
www.augustmack.com
@AugustMack
717-399-9587
800-579-0770
Indianapolis
1998
Regulatory compliance, environmental due diligence and risk management, site investigation, remediation and closure, sustainability services
4

Barton & Loguidice DPC
www.bartonandloguidice.com
@BartonLoguidice
717-737-8326
800-724-1070
Syracuse, N.Y.
2011
Landfills, recycling, composting, environmental assessments, remediation, industrial stormwater, landfill gas recovery, leachate treatment and storage
5

Buchart Horn Inc.
www.bucharthorn.com
717-852-1400
800-274-2224
York
1945
Wastewater and water supply collection, distribution and treatment; environmental impact assessments; hazardous waste investigation and remediation
6

EHC Associates Inc. dba Environmental Hazards Control
www.ehcassociates.com
717-656-3008
Upper Leacock Twp.
1983
Consulting, inspections, testing, remediation/abatement, air duct cleaning, demolition
7

Gannett Fleming Inc.
www.gannettfleming.com
@gannettfleming
717-763-7211
800-233-1055
E. Pennsboro Twp.
1915
Geotechnical, dams/flood control, natural resources, planning, municipal, water and wastewater, GIS, construction, information and asset management
8

GeoServices Ltd.
www.geoservicesltd.com
717-303-2660
Lower Allen Twp.
1989
Ground water development, management and permitting, litigation support and expert testimony, Act 2 site characterization, remediation and closure.
9

GHD Inc.
www.ghd.com
717-541-0622
Waterloo, ON, Canada
1979
Water/wastewater engineering, stormwater management, waste management, environmental compliance, renewable energy, GIS, asset management
10

Herbert Rowland & Grubic Inc.
www.hrg-inc.com
717-564-1121
Swatara Twp.
1962
Water and wastewater systems, Act 2 brownfield remediation, UST closures remediation, phase I/II site assessments, wetland delineation and mitigation
11
and
Johnson, Mirmiran & Thompson Inc.
www.jmt.com
717-741-1600
800-266-5488
Hunt Valley, Md.
1983
Wetlands, NEPA documentation, natural/cultural resources, green infrastructure design, ecologic/biologic assessments, mitigation design, T&E species
12

Liberty Environmental Inc.
www.libertyenviro.com
@Liberty_Enviro_
717-517-5000
800-305-6019
Reading
2012
Regulatory compliance, site assessment and remediation, natural resources, air quality permitting, air pollution control engineering
13

Michael Baker International Inc.
www.mbakerintl.com
@m.bakerintl
717-221-2000
800-642-2537
Moon Twp., Allegheny Co.
1948
NEPA for FTA, FRA, and FHWA funded projects; phase I and II ESA; asbestos testing; cultural resources; Chapter 105 permitting; wetland delineation
14

Navarro & Wright Consulting Engineers Inc.
www.navarrowright.com
@navarro_wright
717-441-2216
New Cumberland
1996
Environmental site assessments, wetland mitigation and stream restoration, stormwater management, archaeological surveys, permitting and planning
15

Rettew Associates Inc.
www.rettew.com
https://twitter.com/rettewcompanies
717-394-3721
800-738-8395
Manor Twp.
1969
Wetland delineation, permitting, compliance audits, water resourcing, site characterization, water/wastewater treatment, renewable energy engineering
16

Skelly and Loy Inc.
www.skellyloy.com
@skellyloy
717-232-0593
800-892-6532
Swatara Twp.
1969
MS4 permitting, stream restoration, NEPA, asbestos, lead water testing, threatened and endangered species, wastewater, drone surveys, compliance
17

Susquehanna Civil Inc.
www.sqcivil.com
@sqcivil1
717-846-7151
Manchester Twp.
2008
ESAs, noise & air, permitting, scoping field view, wetland ID & mitigation, T&ES, ACM & LBP survey, plant survey, public involvement, section 4(f)
18
Winter Equipment Corp.
www.winter-equip.com
717-681-0085
800-472-4250
Columbia
1992
Industrial trash compactors, custom fabrication, trash and linen chutes, cardboard balers