Trenchless Technology Pipeline CleaningGirard Industries Pipeline Pigging Specialists The finest in pipeline cleaning products and services since 1968 Contact us for these fantastic new pipeline cleaning pigs! Girard Industries has been committed to helping operators clean a wide variety of pipelines since 1968. This commitment guided Girard in developing and patenting the Polly-Pig , industry's first rotating pipeline pig. Polly-Pigs are bullet shaped with a sealed concave base. Available for pipe diameters from less than 2" to 144", these pigs are made of high quality open-cell pol