Most active commercial contractors in Chicago

1,638 contractors are named on 3 or more commercial and multifamily building permits in Chicago’s records, ranked by permit count. Hartmann Electric Company, Inc leads with 277.

Source: building permit records from Chicago's Socrata open-data portal, checked daily. Data through October 28, 2026. How we count

1501. 1501Osher Development LLC3 permits · latest Dec 3
1502. 1502Osman Construction Corporation3 permits · latest Jan 14
1503. 1503Ott Development LLC3 permits · latest Jun 16
1504. 1504Paldo Sign And Display Company3 permits · latest Sep 30
1505. 1505Park Humboldt LLC3 permits · latest Aug 7
1506. 1506Pazmino Masonry3 permits · latest Aug 1
1507. 1507PCR Construction Group LLC3 permits · latest Apr 10
1508. 1508Peak Construction And Development LLC3 permits · latest Sep 11
1509. 1509Penny's Construction3 permits · latest Jul 3
1510. 1510PG General Construction Inc.3 permits · latest Aug 11
1511. 1511PH Electrical Corp.3 permits · latest May 20
1512. 1512Phoenix Fire Systems Inc3 permits · latest Mar 24
1513. 1513Phoenix Installation LLC3 permits · latest Jun 2
1514. 1514Pink Hats Construction & Development Group Inc3 permits · latest Oct 5
1515. 1515Pinscher Construction Inc3 permits · latest Oct 20
1516. 1516Piotr Karczmarzyk3 permits · latest Sep 3
1517. 1517P.I. Plumbing, Inc.3 permits · latest Feb 20
1518. 1518Plo Construction Inc3 permits · latest May 30
1519. 1519Plumb Masonry, Inc.3 permits · latest Sep 1
1520. 1520Praxis Construction, Inc.3 permits · latest Jan 29
1521. 1521Precision Construction & Flooring Inc3 permits · latest Sep 2
1522. 1522Premier Construction Of Illinois, Inc3 permits · latest Apr 23
1523. 1523Premier Design + Build Group, LLC3 permits · latest May 13
1524. 1524Premium Electric Services, Inc3 permits · latest Jul 30
1525. 1525Presidential Roofing & Construction Inc3 permits · latest May 21
1526. 1526Price Construction Inc3 permits · latest May 22
1527. 1527Proarc Electric3 permits · latest Oct 9
1528. 1528Pro-Core Builders Inc3 permits · latest Apr 7
1529. 1529Prosperity Contractor Inc.3 permits · latest Jul 3
1530. 1530Pro Temp Of Illinois, Inc.3 permits · latest Sep 8
1531. 1531Pullman SST Inc3 permits · latest Aug 27
1532. 1532Quality Commercial Construction LLC3 permits · latest Sep 24
1533. 1533Quantum Electric3 permits · latest Jul 3
1534. 1534Quintana Edward3 permits · latest Jun 29
1535. 1535R1 Builders LLC3 permits · latest Jul 7
1536. 1536R&R Chicago Design-Build LLC3 permits · latest Oct 16
1537. 1537Raranga Construction Inc3 permits · latest Mar 20
1538. 1538RCM Electric3 permits · latest Oct 19
1539. 1539RDK Electric, Inc.3 permits · latest Sep 15
1540. 1540Real Neon Inc3 permits · latest Dec 11
1541. 1541Redmon Construction, Inc.3 permits · latest Aug 26
1542. 1542Reinvention Home Inc3 permits · latest Aug 7
1543. 1543Reliable Fire Equipment Company3 permits · latest May 22
1544. 1544Reliable Home Remodeling & Construction Co3 permits · latest Oct 20
1545. 1545Renaissance Roofing Inc3 permits · latest Oct 1
1546. 1546Revived Construction Group Inc3 permits · latest Oct 8
1547. 1547Revolution Home Remodeling Incorporated3 permits · latest Aug 7
1548. 1548Richard Roche3 permits · latest Jul 6
1549. 1549RMV Roofing Solutions Inc3 permits · latest Jul 23
1550. 1550Robe Inc3 permits · latest Oct 22
1551. 1551Rocket Plumbing LLC3 permits · latest Mar 9
1552. 1552Rock Roofing & Construction Co.3 permits · latest Jun 21
1553. 1553Roc Solid Contracting Services Corp3 permits · latest Oct 22
1554. 1554Rossi Contractors, Inc3 permits · latest Sep 24
1555. 1555Rulets Construction, Incorporated3 permits · latest Aug 19
1556. 1556Sachse Construction And Development Company LLC3 permits · latest Oct 16
1557. 1557Safe At Home Construction3 permits · latest Jul 18
1558. 1558Sahagun Siles Partners LLC3 permits · latest Feb 18
1559. 1559Salazar Group Inc3 permits · latest Oct 6
1560. 1560Sam Lu Construction Co.3 permits · latest Mar 16
1561. 1561Sammy Thompson Plumbing3 permits · latest Sep 11
1562. 1562S & M Electric, Inc.3 permits · latest Jan 30
1563. 1563S&U Electrical Solutions LLC3 permits · latest Jul 27
1564. 1564San Marcos General Construction Corp3 permits · latest Oct 22
1565. 1565Schall Development Inc3 permits · latest Sep 1
1566. 1566Schlaeger Construction Co.3 permits · latest Jun 16
1567. 1567SCM Development Inc3 permits · latest May 14
1568. 1568S Construction Co.3 permits · latest Oct 28
1569. 1569Senad Laskic3 permits · latest Aug 4
1570. 1570Sentinel Electric Inc.3 permits · latest Sep 1
1571. 1571Service Tech Heating & Cooling Inc3 permits · latest Sep 16
1572. 1572Shamrock Decorating Inc3 permits · latest Sep 29
1573. 1573Showalter Roofing Services Inc3 permits · latest Sep 15
1574. 1574Siemens Industry Inc3 permits · latest Nov 11
1575. 1575Sigma Builders Inc3 permits · latest Jun 25
1576. 1576Sila Services LLC Dba Aa Service Company Heating &3 permits · latest Aug 4
1577. 1577Smart Technology Solutions Inc3 permits · latest Jun 3
1578. 1578S.N. Peck, Builder, Inc3 permits · latest Jul 1
1579. 1579Sommerlad Builders Inc3 permits · latest Sep 30
1580. 1580Somok Phonsaneha3 permits · latest Aug 25
1581. 1581Sound Solution Group Inc3 permits · latest Aug 25
1582. 1582The Sound Specialists Inc.3 permits · latest Jun 1
1583. 1583South Shore Roofing Of Illionis Inc3 permits · latest Sep 9
1584. 1584Sparta Roofing Inc3 permits · latest Jul 22
1585. 1585Spec Development LLC3 permits · latest Oct 16
1586. 1586Spurlock & Son3 permits · latest Apr 28
1587. 1587Square Construction Inc3 permits · latest Oct 6
1588. 1588Square T LLC3 permits · latest Sep 21
1589. 1589SRC Electric LLC3 permits · latest May 26
1590. 1590Star Electrical Inc3 permits · latest Aug 20
1591. 1591Stepup Construction LLC3 permits · latest Jun 4
1592. 1592Storm Electric Company3 permits · latest Aug 4
1593. 1593Stronghold Ventures, Inc3 permits · latest Apr 15
1594. 1594Structure Re-Right, Inc.3 permits · latest Apr 30
1595. 1595Superior Roofing Inc Dba Superior Building And Rem3 permits · latest Oct 21
1596. 1596Svigos Development, Inc3 permits · latest Aug 3
1597. 1597SVJ Enterprise PLLC3 permits · latest Jun 2
1598. 1598Swa Investments, LLC.3 permits · latest Sep 3
1599. 1599T&J Investors LLC-Construction3 permits · latest Aug 21
1600. 1600Tapia Construction & Maintenance Inc3 permits · latest Oct 8

Data through October 28, 2026.