Installation & Service of Heating, Ventilating & Air-Conditioning Systems to include Chillers, Cooling Towers, Rooftop Units, Air-handlers, Computer Room Units, & VAV boxes. We also provide a full range of Chemstar water treatment services.

Elevators, Escalators, Moving Walks, Dumbwaiters, Handicapped Lifts, Conveyors, ADA Upgrades, Inspections, Consulting. Maintenance, Repair, Modernization, New Construction, Design, Document Review.

1)3-D robot vision for short to medium range hi-res numerical 3-D mapping for remote inspection. 2)Mobile omni-directional robots and robotics. 3)Laser aimers for external bore sights for bomb squad pan disrupters/shotguns.

Since 1980 Maggio Construction Co has provided premier residential and commercial construction services and supplies in the Mid-Atlantic (MD, DE, PA, WV) as a general contractor and valued subcontractor.

Service or replace Garage Doors, Overhead Door, Automatic Doors, Automatic Gates and garage door openers

Machine shop with CNC Lathe, CNC Machining Center with 4th axis rotary table, Wire EDM Machine, CMM Machine, manual lathes and mill with tilting rotary table. Sheet metal capabilities, welding.

DISTRIBUTOR OF CONNECTORS AND ADAPTERS, MICROWAVE COMPONENTS AND TOOLS. I NDUCTOR COILS, EZ FORM CABLE, COAXIAL, SEMIRIGID CABLE AND ASSEMBLIES, IC's, RESISTORS, CAPACITORS, LAB.EQUIPMENT, SOLDER EQUIPMENT.

Four Tribes is a full service general contractor with construction expertise in many areas including: renovations, design-builds, LEED rated, highly secure facilities (SCIF), laboratories, and many more under the 236220 NAICS Code.

Mechanical services, Parts and supplies, water treatment

Source, desing, and supply industrial equipment and systems for the oil and gas, water, and energy sectors

General Construction, Renovations, Water Purification, Desalination Plants, Water Conditioning, soil Remediation, Bottled Water Plants, Boiler/Steam Pre-Treatment, Plumbing contractor

A certified SBA Small, Woman-owned Elevator Inspection and Repair Business. We specialize in providing periodic elevator inspections including adjustments, repairs and modernization of elevators and other lift equipment.

DIGITAL COLOR COPIERS DIGITAL COPIER MACHINES - SALES, SERVICE, & SUPPLIES. B/W COPIERS B/W PRINTERS DIGITAL COLOR PRINTERS FACSIMILE MACHINES - SALES, SERVICE, & SUPPLIES.

We are a water treatment company. We install and service water well pumps, water filter, softeners, nitrate sysstems, reverse-osmosis systems, radon removal systems, distillation units pumps, chemical and filters.

High tech professional services firm that designs and produces opto-electronic instrumentation for aerospace and military applications.

MECHANICAL CONTRACTOR, AIR CONDITIONING, REFRIGERATION, HEATING, VENTILATION, CHILLERS, COOLING TOWERS, VARIABLE FREQUENCY DRIVES, ICE MACHINES, INSTALLATION, SERVICE, CONSTRUCTION, SPECIALIZING IN MAINTENANCE & SERVICE CONTRACTS SERVING MARYLAND, DC & VA

Provide all the equipment, personal, material & storage to compete electrical or plumbing work. Capable of supplying large discounts on lighting equipment for large projects and government contracts.

All aspects of hvac/sheet metal systems. Design, fabrication, and installation. Stainless steel, iron, ornamental. Air filtration and control systems. Mold abatement. Duct cleaning. Computer room cooling systems. Air and water balancing.

Arbitrary Waveform Generator, AWG, Communication Analyzer Communication Test Equipment DVM Function Generator Micrometer Oscilloscope Reference Calibrator Torque Voltmeter Waveform Analyser Waveform Generator

Telescoping Masts for antennas, cameras or other sensor payloads. Custom Trailers with power generation, masts and shelters