Maryland Linecard

Advanced Rubber Products -- Polymer Insulators

Dead-end Silicone Polymer Insulators 15 kV – 46 kV
Line Post Silicone Polymer Insulators 15 kV – 46 kV
Station Post Silicone Polymer Insulators 7.5 kV – 36 kV
Silicone Polymer Cutouts: 15 kV, 27 kV, & 36 kV Load break & Non-Load break

EnergyLite (Solais Lighting Group) -- Exterior LED Lighting Solutions for Utilities

EnergyLite manufactures the industry’s leading exterior lighting LED fixture for security, parking lot and street lighting applications. The exterior area LED fixture spreads bright light with a durable, all-aluminum housing needed to maintain safety and enhance outdoor areas. Our EnergyLite brand is a leader in energy-efficient lighting solutions and offers a 10 year warranty.

Roadway lighting
Flood lighting
Site-Area lighting
Security lighting

Long lasting, low maintenance, highly efficient replacement for existing HPS, MH and MV lighting.

ERLPhase - Protection Relays and Recorders

ERLPhase protection relays and power system recorders use best-in-class technology to deliver high quality and reliable products for protection and monitoring of electrical power systems.

Digital fault recorders and protective relays.

  • TESLA     Fault and Event recorders
  • LPRO      Line Distance Relay
  • TPRO      Transformer Protection Relay
  • BPRO      Bus Protection Relay
  • SPRO      Sub-Harmonic Protection Relay
  • FPRO      Feeder Protection Relay

EXO -- Inspection and Asset Management Solutions

Full lifecycle supervision of asset management services that empowers utilities to proactively care for and increase the lifespan of utilities power delivery assets.

— Transmission Pole Inspection, Repair, and Distribution (wood, fiberglass, ductile, iron, steel,         and concrete)
— Distribution (concrete/steel/wood/fiberglass/ductile/iron)
— Substation (steel/wood)
— Electrical Components
— Industrial NDT Services
— Corrosion Inspection
— Steel Pole/Steel Tower Coating Inspection and Repair

Lindsey -- Voltage/Current Sensors & Transmission Line Hardware

-Overhead Sensors– Medium voltage current and/or voltage sensing contained within a fully mechanical rated post insulator. Now offers 0.5 % voltage accuracy.

-Underground Sensors– Medium voltage current and voltage sensing contained in a load-break or tee-body underground component. Now offers 0.5 % voltage accuracy.

-Transmission Line Monitoring– The TLM monitor provide complete picture of transmission conductor behavior in real time including actual conductor clearance-to-ground (not sag), conductor temperature, line current, and vibration measurement.

-Hardware, Fittings and Assembles for all Transmission voltage classes.

-Emergency Restoration System (ERS) for use during Natural Disasters or Planned Outages.

Midal Cables -- Overhead Line Conductor

Leader in manufacturing of bare Aluminum Conductors for transmission and distribution of electrical power. Midal is capable of, producing the follow conductors: 

AAAC -All Aluminum Alloy Conductor
AAC – All Aluminum Conductor
AACSR – Aluminum Alloy Conductor Steel Reinforced
ACAR – Aluminum Conductor Alloy Reinforced
ACSR – Aluminum Conductor Steel Reinforced
ACSR/AS – Aluminum Conductor Aluminum Clad Steel Reinforced
ACSR/TW – Aluminum Conductor Shaped Wire Steel Reinforced
ACSS/AS – Aluminum Conductor Aluminum Clad Steel Supported
-High Thermal and HTLS Conductors
-Special Alloy Conductors

NOJA Power -- System Protection

Automatic Three Phase and Single Phase Circuit Reclosers for all voltage classes up to — 15kV / 27kV / 38kV. Applications in both Overhead Distribution Lines as well as Substation.

Ground Mount Kiosks Designed for the Protection of Underground Lines. Smart Grid ready and SF6 Free.

SFPOC -- OPGW-- A Furukawa Company

Composite Fiber Optic Overhead Ground Wire (OPGW) using Aluminum Clad Steel

Fiber count ranging from 24 to 144 strands depending on cable design.

TrueWave fiber is available

Shemar- Transmission/Substation Polymer insulators

Transmission Polymer Insulators 69kV to 1000kV Including Substation Applications

Silicone polymer composite insulators include the following:

-Transmission & Substation Insulators
-Suspension Insulator -Hollow Composite Insulator
-Dead End Insulator
-Gas Insulated Composite Bushing
-Line Post Insulator
-Braced Post Insulator
-Station Post Insulator

TSEA Energia -- Voltage Regulators & Power Transformers

TSEA has over 55 years of experience manufacturing products in Generation, Transmission and Distribution of energy, that are utilized in over 40 countries.

— Voltage Regulators up to 34.5kV

— Power Transformers up to 550MVA

— Industrial, Phase Shift, & Mobile Substation Transformers up to 138kV