# Big Transformer Bushings (PARC Transformer Bushings Division) > The world's largest inventory of new, used, and rebuilt high-voltage transformer bushings (up to 500kV). Specialist in emergency replacement, cross-referencing obsolete models, and custom flange fabrication. ## Core Products & Inventory - [Bushings Inventory](https://bigtransformerbushings.com/transformer-bushings-inventory.php): Searchable database of current stock, including brands like ABB, GE, Lapp, Ohio Brass, and Westinghouse. - [High-Voltage Bushings](https://bigtransformerbushings.com/index.php): Replacement options for critical power class transformers. - [Surplus Procurement](https://bigtransformerbushings.com/sell-transformer-bushings.php): We purchase surplus power transformer bushings and related high-voltage components. ## Specialized Technical Services - [Emergency Replacement](https://bigtransformerbushings.com/transformer-bushings-case-histories.php): 24/48-hour delivery capabilities for utility failures. - [Cross-Referencing](https://bigtransformerbushings.com/transformer-bushings-services.php): Technical expertise in matching obsolete bushing models with modern equivalents. - [Custom Fabrication](https://bigtransformerbushings.com/transformer-bushings-services.php): Design and fabrication of adapter flanges to adjust bolt hole configurations or "below-flange" dimensions. - [Testing & Quality](https://bigtransformerbushings.com/about-parc-transformer-bushings.php): All bushings are tested and verified before shipment to ensure power factor and insulation integrity. ## Emergency Contact & Logistics - [Contact Page](https://bigtransformerbushings.com/contact-parc-transformer-bushings.php): Direct access to technical sales and emergency support. - Phone: 330-493-1890 - Headquarters: North Canton, OH