Peck, Stow & Wilcox Factory

Southington is a town in Hartford County, Connecticut, United States. The town is part of the Capitol Planning Region. As of the 2020 United States Census, it had a population of 43,501. Southington contains the villages of Marion, Milldale, and Plantsville.

The Jonathan Root House is a historic house at 140–142 North Main Street in Southington, Connecticut. Built about 1720, it is believed to be the oldest surviving colonial building in the town. It was listed on the National Register of Historic Places in 1989, and now houses professional offices.

The Southington Center Historic District is a National Register of Historic Places district covering a major portion of the center of Southington, Connecticut. The area includes a considerable number of resources, many of which are buildings, commercial, governmental, religious and residential, but the list also includes monuments, and the town green. The district was added to the National Register in 1989.Many of the buildings in the district date to Colonial times. Southington became a town in 1779, but European settlers first came to the area in 1698. Many of the commercial, religious and government buildings lie along Main or North Main, on either side of the town green. There are some residential buildings on the two main streets, but the majority of the residential buildings are on Vermont and Berlin streets, adjacent to Main Street.

The Southington Public Library is the public library serving Southington, Connecticut. It is located at 255 Main Street in a modern facility erected in 1974. Its first building, constructed in 1902 and located at 239 Main Street, now houses the Southington Historical Center. That building, a fine local example of Classical Revival architecture, was listed on the National Register of Historic Places in 1989.

Immaculate Conception Parish - designated for Polish immigrants in Southington, Connecticut, United States. Founded on September 19, 1915. It is one of the Polish-American Roman Catholic parishes in New England in the Archdiocese of Hartford.

The Jotham Woodruff House is a historic house at 11 Alyssa Court in Southington, Connecticut. Probably built about 1790, it is a good local example of late Georgian architecture with later Greek Revival alterations. It was listed on the National Register of Historic Places in 1989.

The Meriden Avenue–Oakland Road Historic District is a National Register of Historic Places district covering a residential section of Southington, Connecticut, located south of the center of town. At the time of the listing, in 1988, there were 113 buildings within the boundaries of the district, of which all but 22 are considered contributing. The period of significance for the district is 1860–1936. A residence built after 1936, or altered substantially qualifies as building as non-contributing. Only one building is deemed non-contributing due to extensive modelling.

The Hurwood Company is a historic industrial complex at 379 Summer Street in Southington, Connecticut. Built beginning sometime before 1884, this complex of mainly brick buildings is typical of the town's industrial landscape of the late 19th and early 20th centuries, and was where solid-headed screwdrivers were first manufactured. The complex was listed on the National Register of Historic Places in 1988.

Plantsville is a neighborhood in the town of Southington, Hartford County, Connecticut. It is centered at the merger between South Main Street (road from the Milldale section) and West Main Street (road from the Marion section). As of the 2000 Census there were 10,387 people living in the Zip Code Tabulation Area for zip code 06479, which is assigned the postal city name Plantsville. The Zip Code Tabulation Area includes the entire southwestern corner of the town of Southington, including Marion and Milldale. Beginning in 2015 Plantsville (not including Marion and Milldale) was listed as a census-designated place.

590 West Street is a historic house in Southington, Connecticut. Built about 1790, it is one of the town's small number of surviving 18th-century houses, and a well-preserved example of Georgian colonial architecture. It was listed on the National Register in 1989.

The Pultz & Walkley Company, also known more recently as The Five Star Company, is a historic industrial complex at 120 West Main Street in the Plantsville village of Southington, Connecticut. Founded in the 1870s, Pultz & Walkley was a major producer of paper bags. The multi-building complex is one of the town's better-preserved industrial properties, and was listed on the National Register of Historic Places in 1988.

The Blakeslee Forging Company is a historic industrial complex at 100 West Main Street in the Plantsville area of Southington, Connecticut. The surviving six buildings, dating to about 1910 or later, were developed for a company founded in 1877 that specialized in drop forging. The buildings are well preserved structures typifying industrial buildings found in Southington from that era. The complex was listed on the National Register of Historic Places in 1988.