Hydrex Environmental
Hydrex Environmental is a Texas-based environmental consulting firm offering hydrogeological, ecological, solid waste, and air permitting services, plus drone-based aerial imaging and GIS mapping, to oil and gas, municipal solid waste, industrial, and government clients across the Southeast U.S.
- Company typePrivate
- Founded1994
- HeadquartersNacogdoches, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Hydrex Environmental does
Hydrex Environmental is a full-service environmental consulting firm headquartered in Nacogdoches, Texas, with a satellite office in Houston. Founded in 1994 by Glen A. Collier and acquired in 2017 by Clayton A. Collier, the firm employs 25-30 credentialed professionals across geology, hydrogeology, biology, environmental science, engineering, archaeology, and GIS. It is licensed to operate in eight Southeast U.S. states (Texas, Louisiana, Arkansas, Mississippi, Alabama, Tennessee, Georgia, Florida) and serves clients in oil and gas, municipal solid waste, industrial/manufacturing, municipal government, agriculture/forestry, mining/aggregates, and property development.
The firm's core offerings span environmental assessment, plans and permitting, hydrogeological investigations, ecological evaluations and conservation, municipal and industrial solid waste management, emissions monitoring and air permitting, subsurface exploration, and cemetery mapping. Since 2015, the Hydrex Drone Division has integrated advanced aerial capability into the service portfolio, including UAS-based imaging with 2 cm-per-pixel resolution, LiDAR-enabled topographic mapping with centimeter-level accuracy, Optical Gas Imaging (OGI) for detecting 20 hydrocarbon gases including methane, multispectral vegetation analysis using NDVI/MCARI/MTVI2 indexes, and the Flyability Elios 3 indoor inspection UAV with 360-degree LiDAR for confined-space surveys. The firm is the first in East Texas to employ direct-push soil sampling technology and operates in-house geophysical well logging and GIS platforms with 3D subsurface and groundwater modeling.
Hydrex operates as a privately-held, owner-operated B2B professional services firm. Revenue is generated through project-based consulting engagements with industries, municipalities, and government entities, with pricing determined by project scope, complexity, and regulatory requirements and typically structured as multi-year contracts for recurring compliance work such as the management of 40+ municipal solid waste facilities across Texas and Louisiana. The go-to-market motion is sales-led and relationship-based, augmented by a digital presence including a website, YouTube, LinkedIn, Facebook, and a consultation request form. The firm carries no institutional investment and is founder/management-owned.
Hydrex Environmental firmographics
Firmographics- Name
- Hydrex Environmental
- Legal name
- Hydrex Environmental
- Website
- https://hydrexenvironmental.com
- Company type
- Private
- Founded year
- 1994
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Hydrex Environmental is a Texas-based environmental consulting firm offering hydrogeological, ecological, solid waste, and air permitting services, plus drone-based aerial imaging and GIS mapping, to oil and gas, municipal solid waste, industrial, and government clients across the Southeast U.S.
- Ownership category
- akta.pro rank
Hydrex Environmental industry classification
Industry- Product category
- Environmental Consulting Services
- NAICS
- Environmental Consulting Services (541620), Environmental Consulting Services (54162), Geophysical Surveying and Mapping Services (541360)
- SIC
- Services-Commercial Physical & Biological Research (8731), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)
- akta.pro primary industry
- Water & Wastewater Compliance (NPDES/Stormwater, Pretreatment, Drinking Water/SDWA) (EUAHABAB)
- akta.pro secondary industries
- Aerial & Ground Patrols for Vegetation Encroachment (LiDAR, UAV/Drone, Helicopter) (EUADAOAF), Landfill, Waste & Wastewater Emissions MRV (CH4/N2O) (EUAHADAH)
Keywords
Where Hydrex Environmental is headquartered
LocationHeadquarters
- HQ city
- Nacogdoches
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Hydrex Environmental business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Environmental Consulting Services: Professional consulting fees for environmental assessment, hydrogeological investigations, ecological evaluations, solid waste management, air permitting, and regulatory compliance services. Revenue generated through project-based consulting engagements with industries and municipalities.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Professional consulting services - project-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels6 records
Hydrex Environmental product offering
Product offeringCore offering
Hydrex Environmental is a full-service environmental consulting firm providing professional and technical expertise in the conception, design, implementation, and management of environmental projects. The firm delivers hydrogeological investigations, environmental site assessments, plans and permitting, oil and gas compliance, municipal/industrial/hazardous solid waste services, ecological evaluations and conservation, cemetery mapping, and emissions monitoring and air permitting. An in-house Drone Division performs FAA-compliant UAS surveying, LiDAR mapping, optical gas imaging (OGI/LDAR) leak detection, thermal imaging, vegetation analysis, and GIS-based 3D subsurface and groundwater modeling.
Differentiator
Problem solved
Functional benefit
Brands
- Hydrex Drone Division: A specialized division using Unmanned Aerial Systems (UAS/drones) for aerial imaging, topographic surveying, LiDAR mapping, thermal imaging, leak detection (OGI/LDAR), and vegetation analysis services.
Products and services
- Environmental Assessment
- Oil & Gas Services
- Plans & Permitting
- Municipal, Industrial & Hazardous Solid Waste Services
- Hydrogeological Investigations
- Ecological Evaluations & Conservation
- Cemetery Mapping
- Emissions, Monitoring, and Air Permitting
- Subsurface Exploration
- Hydrex Drone Division
- Topographic Surveying & External LiDAR
- Indoor Inspection and Survey Solutions
- Thermal Imaging and Leak Detection (OGI/LDAR)
- Vegetation Analysis
- GIS Mapping Solutions
Quantifiable outcome
- 40+ municipal solid waste facilities managed across Texas and Louisiana
- +2 more outcomes
Companies that use Hydrex Environmental
Customer profileNamed customers5 records
Segments7 records
Ideal customer profiles7 records
Hydrex Environmental technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability8 records
Feature7 records
Hydrex Environmental partnerships and signals
Strategic signalPartnerships
15 partnerships are on record, tiered core and minor.
- Texas Commission on Environmental Quality (TCEQ)coreRegulatory agency partnership for air permitting, water quality compliance, and environmental regulations. Hydrex works with TCEQ for permit applications, compliance reporting, and regulatory navigation across Texas operations.
- U.S. Army Corps of Engineers (USACE)coreRegulatory partnership for wetlands delineation, Section 404 permitting, and waters of the U.S. determinations. Hydrex has developed long-lasting trusted relationships with USACE for permit approvals.
- U.S. Fish and Wildlife Service (USFWS)coreEndangered Species Act compliance partnership for habitat assessments and Section 7 consultations. Hydrex coordinates projects with USFWS for ecological compliance.
- Texas Parks & Wildlife Department (TPWD)coreState agency partnership for wildlife habitat assessments, endangered species coordination, and environmental compliance in Texas.
- Environmental Protection Agency (EPA)coreFederal regulatory partnership for RCRA compliance, CERCLA projects, and national environmental policy compliance.
- Texas Railroad Commission (TRRC)coreState regulatory partnership for oil and gas permitting and compliance in Texas.
- Louisiana Department of Environmental Quality (LDEQ)coreState regulatory partnership for environmental compliance and permitting in Louisiana.
- Federal Aviation Administration (FAA)coreRegulatory partnership for drone operations. Hydrex Drone Division operates in compliance with FAA regulations with certified remote pilots.
- National Forests and Grasslands in Texas (NFGT)minorCultural Resource Management partnership for archaeological surveys and CRM reports for National Forests and Grasslands in Texas.
- Texas Historical Commission (THC)minorArchaeological and historical preservation partnership for cultural resource management compliance in Texas.
- American Plant FoodminorCustomer logo displayed on Hydrex website indicating ongoing service relationship for environmental compliance.
- Freedom ProppantminorCustomer logo displayed on Hydrex website indicating ongoing service relationship for environmental compliance.
- High Roller SandminorCustomer logo displayed on Hydrex website indicating ongoing service relationship for environmental compliance.
- Longview AsphaltminorCustomer logo displayed on Hydrex website indicating ongoing service relationship for environmental compliance.
- Madden ContractingminorCustomer logo displayed on Hydrex website indicating ongoing service relationship for environmental compliance.
Scale indicators8 records
Recent moves7 records
Expansion highlights12 records
Hydrex Environmental competitors and assessment
Company assessmentEmerging players
- Allied Geoscience Inc. Specialized environmental firm offering drone-based inspection, subsurface mapping, and methane detection services. Overlaps with Hydrex's Drone Division in OGI/LDAR and aerial surveying capabilities, particularly for oil & gas leak detection.
Direct peers
- Montrose Environmental Group: Public environmental services firm providing air quality, water, and ESG advisory services, including OGI/LDAR fugitive emissions detection. Direct overlap with Hydrex's air permitting, OGI, and oil & gas environmental services.
- Roux Associates: Environmental consulting firm specializing in site investigation, remediation, and hydrogeology — closely aligned with Hydrex's hydrogeological investigations and subsurface exploration services. Both serve industrial and legal-driven environmental compliance clients.
- Civil & Environmental Consultants (CEC): Multi-discipline environmental consulting firm offering site assessment, hydrogeology, ecological services, and GIS mapping — a closely comparable service portfolio to Hydrex, though at significantly larger scale. Direct overlap in oil & gas, mining, and land development environmental work.
- SCS Engineers: National environmental engineering firm specializing in solid waste management, landfill gas, and environmental compliance — services overlapping Hydrex's MSW facility practice and landfill gas monitoring work. Both firms serve municipal and industrial solid waste clients with similar regulatory expertise.
- Trinity Consultants: Specializes in air quality permitting, emissions management, and EHS compliance — closely aligned with Hydrex's air permitting and emissions monitoring capabilities. Both serve industrial and energy clients with regulatory-driven environmental advisory services.
- ETTL Engineers & Consultants (now part of Trinity Consultants): Glen Collier (Hydrex founder) previously worked at ETTL before founding Hydrex. ETTL is a Texas-based environmental engineering firm with similar oil & gas and MSW practice areas — a direct historical peer in the East Texas market.
Broad incumbents
- Apex Companies: Large diversified environmental consulting firm offering water resources, site assessment, and compliance services. Comparable to Hydrex in core environmental and water resources work, but PE-backed and operating at substantially larger scale.
- Stantec (Environmental Services): Global engineering and environmental consulting firm with extensive U.S. environmental services practice. Competes with Hydrex in site assessment, water resources, and ecological services, though at vastly larger scale and broader geographic footprint.
- Terracon Consultants: One of the largest U.S. environmental, geotechnical, and materials engineering firms with broad multi-state presence. Overlaps with Hydrex across site assessment, hydrogeology, and oil & gas services, but at national scale with full-service environmental, geotechnical, and construction materials practices.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Hydrex Environmental social profiles
Digital presenceHydrex Environmental financial estimates
Financial estimateRevenue estimate
Valuation estimate
Hydrex Environmental leadership team
Management profileNumber of profiles
Profiles10 records
Hydrex Environmental funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Hydrex Environmental M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Hydrex Environmental
What does Hydrex Environmental do?
Hydrex Environmental is a full-service environmental consulting firm providing professional and technical expertise in the conception, design, implementation, and management of environmental projects. The firm delivers hydrogeological investigations, environmental site assessments, plans and permitting, oil and gas compliance, municipal/industrial/hazardous solid waste services, ecological evaluations and conservation, cemetery mapping, and emissions monitoring and air permitting. An in-house Drone Division performs FAA-compliant UAS surveying, LiDAR mapping, optical gas imaging (OGI/LDAR) leak detection, thermal imaging, vegetation analysis, and GIS-based 3D subsurface and groundwater modeling.
Is Hydrex Environmental a public or private company?
Hydrex Environmental is a private company. It is classified as family owned and is currently operating.
When was Hydrex Environmental founded?
Hydrex Environmental was founded in 1994. It employs 11 to 50 people.
Where is Hydrex Environmental based?
Hydrex Environmental is headquartered in Nacogdoches, United States, in the North America region.
How does Hydrex Environmental make money?
One revenue line is on record: environmental Consulting Services.
Who are Hydrex Environmental's main competitors?
Allied Geoscience Inc. is listed as an emerging player. Direct peers are Montrose Environmental Group, Roux Associates, Civil & Environmental Consultants (CEC), SCS Engineers, Trinity Consultants and ETTL Engineers & Consultants (now part of Trinity Consultants). Broad incumbents are Apex Companies, Stantec (Environmental Services) and Terracon Consultants.
Does Hydrex Environmental have an API?
No public API is recorded for Hydrex Environmental.
What industry is Hydrex Environmental in?
Hydrex Environmental's product category is Environmental Consulting Services. Its primary akta.pro industry code is EUAHABAB, Water & Wastewater Compliance (NPDES/Stormwater, Pretreatment, Drinking Water/SDWA), with a secondary code of EUADAOAF, Aerial & Ground Patrols for Vegetation Encroachment (LiDAR, UAV/Drone, Helicopter). Its NAICS code is 541620 and its SIC code is 8731.