Public engineering firm directory

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Industry: aggregates-and-quarryingFirm type: process-engineeringClear all
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12 results

Showing 1-12 of 12

Firm nameRecently updatedProfile depthOffice countSizeAgeLocation match
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ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more
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Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more
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Bridge Gap Engineering LLC

Expertise you can rely on. Partnership you can trust.

Website1 leadersFounded 2009Size Estimate: 50-249 employeesUpdated Jun 2026

Service detail: Process and Commissioning Services

Service: Process and Commissioning ServicesService: Mass and Heat Balance AuditsService: Commissioning and StartupIndustry: MiningIndustry: Aggregates & QuarryingType: Owner's Engineer+19 more
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IAC

Industrial EPC and engineered systems.

WebsiteUpdated Jun 2026

Service detail: Industrial EPC and Turnkey Delivery

Service: Industrial EPC and Turnkey DeliveryService: Engineering and DesignService: Procurement, Fabrication, and ConstructionIndustry: IndustrialIndustry: ManufacturingType: EPC+18 more
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Maida Engineering, Inc.

Philadelphia, PA

Service oriented, project driven success.

WebsitePhone2 offices1 projects1 leaders3 credentialsFounded 1978

Project: 19,000 HP Synchronous Motor Replacement

Service: Power System AnalysesService: Reliability & Load Flow StudiesService: Short Circuit Calculations & TCC Coordination StudiesIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+47 more
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Mid-South Engineering Company

Hot Springs, AR

Experience and Innovation Working for You

WebsitePhone5 offices6 projects8 leadersFounded 1969Size Estimate: 25-100 employees

Project: West Virginia OSB Facility

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: Wood ProductsIndustry: Pulp & PaperType: Civil Engineering+27 more
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Millcreek Engineering Co.

Salt Lake City, UT

Rendering to Reality

WebsitePhone2 officesSize Estimate: 20-100 employeesUpdated Jun 2026

Service detail: Full-Service EPC

Service: Full-Service EPCService: EngineeringService: ProcurementIndustry: MiningIndustry: Aggregates & QuarryingType: Process Engineering+27 more
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PENN PRO Engineering

Lakeland, FL

PENN PRO Engineering is a full-service technical engineering firm based in Lakeland, Florida, founded in 1992 by M. Wayne Pennewell. PENN PRO specializes in process, mechanical, electrical, and environmental engineering for the phosphate, biofuels, petroleum terminal, and mining sectors. The firm has completed thousands of projects ranging from process evaluations and EPCM efforts to detailed engineering, procurement, and construction management, serving major producers and midstream companies across the United States.

WebsitePhone1 office1 leadersFounded 1992Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: EnvironmentalService: Design and DraftingIndustry: MiningIndustry: Biomass & BioenergyType: Process Engineering+12 more
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Penta Engineering Corp

St. Louis, MO

Committed to Excellence From Concept to Completion

Website4 offices3 projects4 leadersFounded 1986Updated Jun 2026

Project: Ash Classification System EPCM

Service: EngineeringService: Mechanical EngineeringService: Structural & Civil EngineeringIndustry: Aggregates & QuarryingIndustry: AgricultureType: Civil Engineering+29 more
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Plant Systems Engineering

Providing Engineering Solutions Since 1993

Website6 publicationsFounded 1993Updated Jun 2026

Service detail: Industrial Processes & Material Handling

Service: Industrial Processes & Material HandlingService: Bulk Material Handling and Processing SystemsService: Environmental SystemsIndustry: IndustrialIndustry: ManufacturingType: Mechanical Engineering+33 more
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Upper Consulting, Inc.

Quincy, IL

Process Mechanical Engineering Consulting

WebsitePhone1 office8 projectsUpdated Jun 2026

Project: Alexandria Company for Seed Processing - Multiseed Crush Plants

Service: Plant & Process EngineeringService: Process Development (Continuous & Batch)Service: PFD & P&ID Creation & UpdatingIndustry: AgricultureIndustry: Food & BeverageType: Process Engineering+38 more
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ZAP Engineering & Construction Services, Inc.

Lakewood, CO

Excellence in Execution

WebsitePhone2 offices7 projectsUpdated Jun 2026

Project: 60 MMSCFD Libby Gas Plant

Service: Civil and Structural EngineeringService: Civil EngineeringService: Structural Engineering DesignIndustry: Oil & GasIndustry: MiningType: Automation & Controls+34 more
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