AUTOMOTIVE
Tier 1 Specialty and Aftermarket
World's Most Productive Companies
Reshaping Performance in Specialty & Aftermarket
The Tier 1 Specialty and Aftermarket companies are all component suppliers to transportation end-markets. Shared themes include customer concentration, e-commerce growth, post-pandemic supply normalization, and cost sensitivity to labor, freight, energy, and commodities.
Pandemic shocks, semiconductor shortages, then normalization, aluminum and energy volatility, RV cycle swings, and high interest rates shaped demand, cost structures, and pricing power across these suppliers from 2019 to 2024.

Top 100 World's Most Productive Companies - Tier 1 Specialty and Aftermarket
Productivity Snapshot
The four companies experienced a similar productivity trend to many other industries and peer groups: a surge in productivity from 2020 to 2023, followed by a regression to declining productivity in 2023 and 2024.
- Productivity for the sector grew by 19.0% over the last six years, a strong result compared to other peer groups and industries.
- Three of the four companies experienced negative productivity growth in 2023 and 2024.
- 2024 Productivity declined an average of 3.6% across these companies.
- Dorman Products Inc. earned its position within the LNS 2025 World’s Most Productive Companies by growing productivity 24% over the last six years; more than 26.1% better than the average of its peers/competitors. Dorman’s leading productivity performance is driven by first-to-market product innovation, category-expanding acquisitions, supplier diversification, and warehouse automation, which together improve mix and operational efficiency.

