Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting
Transportation and Civil Contracting


Since 1962, Pfeiffer & Son has done thousands of installations as a general contractor or subcontractor. 

Serving Municipalities, TxDOT and Private Developers in the Greater Houston Area

Pfeiffer & Son is a leading electrical contractor capable of providing for all aspects of Transportation infrastructure.  We can provide Traffic Signal Installation, Highway Signage, Port and Railway Signaling and Lighting. Our customers include municipalities, major developers, state and local governments. 

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Pfeiffer & Son has constructed, rebuilt, repaired and/or upgraded thousands of signalized intersections for highways, roadways, light rail and airports.

Our Traffic Signal Installation Services include the following:

  • ITS Systems including Ancillary Communications, Control Equipment and Display Hardware
  • Stand Alone Traffic Signal Installation
  • Integrated Signal Installation
  • Existing Signal Retrofit and Upgrades
  • Advance Flasher Installation
  • Corridor Optimization
  • Video Image Vehicle Detection Systems (VIVDS)
  • Vehicle Loop Detection
  • Priority and Preemption Systems
  • Virtual Loop Detection (GPS Based)
  • Microwave or Radar Vehicle Detection
  • Lane Control Signals
  • Wireless CDMA Modems
  • Radar Speed Signs
  • Intersection Uninterruptible Power Supply (UPS) Systems
  • Lighted Pavement Marker Systems
  • Digital Messaging Sign Systems
  • High Mast Lighting
  • Red Light Enforcement Systems
  • Overhead Sign Structures and Highway Signage
  • Wheelchair Ramps
  • Left Turn Lanes
  • Bus Shelters
  • HOV Systems
  • Light Rail Systems
  • Fiber Optic Inter-connectivity and Integration
  • Signage Installation
  • Solar Power Systems
  • Pull Box Relocations
  • License Plate Recognition (LPR) System Installation and Maintenance
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  • IMSA Work Zone (International Municipal Signal Association)
  • IMSA Level I Signal Technicians
  • IMSA Level II Signal Technician (Field and Bench)
  • ISMA Level III Siginal Technicians
  • TEEX “Traffic Control Systems
  • Certified Iteris Vantage Advantage Detection Training
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We have done many projects providing electrical, controls and communications for various public and private port facilities, including Port of Houston, Port of Galveston, Port Freeport, etc.
Services provided include:

  • Area lighting, including High Mast
  • Medium Voltage Distribution systems
  • Underground Utility systems, including Power and Communication Distribution ductbanks, boring, etc.
  • Surveillance systems
  • Access Control Systems
  • Network connectivity, including Wide Area Fiber Networks and Wireless Mesh Systems
  • Power and controls for utilization equipment, including truck scales, gantry cranes, etc.
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Pfeiffer & Son have served local private railways, regional transit authorities, and national heavy railways.

Our services include:

  • Railway Signaling
  • Crossing Gate installation and maintenance
  • Switch installation
  • Trackway Lubrication Systems
  • Axle Counter installation and maintenance
  • Trolley Wire and Catenary Maintenance
  • Traction Power Distribution and Maintenance
  • Ground Return Systems and Track Isolation
  • Switching Yard Lighting
  • Park and Ride and Railway Platform Maintenance, including:
    • Surveillance systems
    • Messaging systems
    • Paging and Public Address
    • Ticket Vending Machines
    • Access Control
    • Wireless Mesh deployment
  • Pfeiffer & Son, LTD
    PO Box 1116
    116 N. 16th Street
    La Porte, TX 77572
  • (281) 471-4222
  • Pfeiffer & Son, Ltd. is licensed and regulated by the Texas Department of Public Safety Private Security Board. Our license number is B17037. Complaints may be filed with the security board by the following methods: * By Mail: Texas Department of Public Safety; Private Security - MSC 0241; PO Box 4087; Austin, TX 78773-0001 * By Phone: Office: (512) 424-7293 * By Website: https://www.dps.texas.gov/section/private-security
  • Our Electrical Contractor’s license is EC18259. Regulated by the Texas Department of Licensing and Regulation. PO Box 12157; Austin, TX 78711; (800)803-9202; (512)463-6599 www.tdlr.texas.gov

© 1962-2021 – Pfeiffer & Son – All rights reserved