Atropos

Quality

Atropos Composite Crossarms are built on precision, consistency, and 40+ years of engineering and manufacturing experience, giving you quality you can measure in decades.

Reliable strength: Pultrusion manufacturing delivers uniform, high-strength components with consistent quality, run after run.
Low maintenance: Composites resist rot, warping, and degradation for decades of dependable service, without chemical treatment or ongoing upkeep.
Tested and trusted: Each crossarm meets or exceeds the toughest utility and ASTM standards.

Service

With Atropos, service isn’t just a promise, it’s performance you can count on, before, during, and after deployment.

Responsive partnership: Fast, reliable support during storms, restorations, and critical operations.
On-time delivery: Consistent lead times and custom configurations built around your demands.
Storm Program: Strategic inventory and logistics keep materials ready where and when you need them most.

Value

Atropos composite crossarms protect your infrastructure investment for decades, powering a stronger, more reliable grid.

Built to endure: 60+ year service life — outlasting wood, steel, and other alternatives.
Lifecycle value: Fewer replacements, virtually no maintenance cycles, lower field labor costs, less downtime.
Engineered for longevity: Atropos Eclipse™ UV protection, backed by a 25-year warranty, for long-term grid resilience.

Lifecycle Value Comparison

Wood Vs. Composite Lifecycle Costs

	Wood	Composite
Service Life	20 years	60 years
Unit Price	$120	$255
Bracing	$36	$0
Installation Cost ($75/hr)	$225	$150
Annualized Inspection Cost (8-year-cycle)	$11.72	$2.91
Annual Failure Rate	1.5%	0.2%
Annual Inflation Rate	2.0%	2.0%

Engineered for Performance

Utilities and infrastructure operators need performance they can trust every hour of every day, for decades. That's the standard our composite crossarms are engineered to meet.

Behind every product is over 40 years of engineering and manufacturing expertise. Each design goes through extensive structural, electrical, and environmental testing to confirm it holds up under real-world conditions, not just laboratory ones.

Every crossarm sits at the intersection of advanced materials science and precision manufacturing. Optimized glass structure and controlled resin infusion give our crossarms an exceptional strength-to-weight ratio, with consistent results across every test we run.

That same engineering discipline carries through every stage of the process across R&D, production, and packaging. The result is a crossarm that performs predictably for decades, with minimal maintenance and no measurable loss in mechanical or dielectric properties over time.

Why Build with Atropos

Manufactured Better — Automated Precision

Atropos Composite Crossarms are designed not just to meet specifications, but to exceed expectations. From material selection to automated manufacturing and final inspection, every stage reflects othe same standard of quality and process control.

Engineered excellence: Precision design and process control deliver consistent, high-strength results.
Proven reliability: Rigorously tested to outperform real-world conditions, not just lab conditions.
Long-term value: Built to last longer, with lower maintenance and lower total ownership cost.

Reliability You Can Trust — Tested Excellence

When it comes to critical infrastructure, performance is proven. Every composite crossarm we design undergoes extensive laboratory and field testing to validate its specifications. It doesn’t stop there: we maintain an ongoing testing program to continuously monitor product performance, verify consistency across production run to run, and feeds data-driven improvements back into future designs.

ASTM D8019 Full Section Mechanical Test
ASTM G154 UV Exposure Resistance 10,000-Hour Test
ASTM D149 Dielectric Breakdown Test
ASTM D695 Compression Properties Test
ASTM D3039 Tensile Properties Test
ASTM D3801 UL94A Flammability Test
ASTM E662 Optical Smoke Density Test
IEEE Standard 4-2013 High-Voltage Flashover Test
Rural Utility Services (RUS) Longitudinal Pin Test
Rural Utility Services (RUS) Transverse Pin Test
Center Mounts Structural Test

Eclipse 25 — a 25-Year Warranty Against Fiber Bloom

UV exposure is one of the leading causes of premature composite failure. Atropos Eclipse™ integrates a proprietary composition of UV protection chemicals into the resin and concentrates them in a co-cured 8 mil outer veil during manufacturing, instead of applying to its surface afterward. The result is that Atropos crossarms retain their strength and appearance decades into field service.

Layered protection: UV resistance runs through the full cross-section, not just a coating on top, so there's no bond line, no delamination, and nothing for a drilled hole to cut through.
Proven over long-term exposure: 14,000 hours of accelerated UV testing showed zero failure, with no change in compressive, tensile, or dielectric strength before and after.
The only warranty of its kind: Backed by the Atropos Eclipse 25, a 25-year fiber bloom warranty, made possible because there's no coating to chalk, crack, or wear away.

Customer-Focused — From Design to Delivery

Our customers are at the center of everything we do. From engineering consultation to delivery and beyond, Atropos works alongside utilities to ensure every crossarm meets real-world performance and installation needs.

Collaborative approach: Custom-engineered solutions tailored to each utility’s requirements.
Responsive support: Fast, dependable communication before, during, and after installation.
Field-focused service: Adapts to storm response, evolving specs, and on-site needs to make every job safer and more efficient.

Atropos Composite Crossarms

Build with Atropos. Unyielding Quality, Service, Value.

Atropos — Unyielding Performance