| 99617429 | $PEC | Shawn R. Carpenter | — |
| 99798980 | PEC | Project Enhancement Corporation | — |
| 87243841 | PEC | HILTI AKTIENGESELLSCHAFT | 5980463 |
| 88853833 | PEC | TIG MFG Ltd. | 6174631 |
| 88794427 | PEC | PEC GLOBAL INC. | 6275403 |
| 75499902 | PEC | PILLAR CORPORATION | 2485581 |
| 88255153 | PEC | Essenlix Corporation | 6889876 |
| 87947100 | PEC | PEC GLOBAL INC. | 5761011 |
| 90535904 | PEC | AUTOPART INTERNATIONAL, LLC | 7231256 |
| 90251287 | PEC | AUTOPART INTERNATIONAL, LLC | 6642177 |
| 97397116 | PEC | Profile Products LLC | 7171372 |
| 74699618 | PEC | Pacific Engineering Corporation | 2766962 |
| 97336820 | PEC | Profile Products LLC | 7095062 |
| 90674083 | PEC | Product School Incorporated | — |
| 74159303 | PEC | INDUSTRIAL INFORMATION RESOURCES, INC. | 1680366 |
| 78034374 | PEC | ENGINEERING SYSTEMS N.V. | 2635291 |
| 78034367 | PEC | ENGINEERING SYSTEMS N.V. | 2635290 |
| 97176231 | PEC | Khue Pham | — |
| 72266089 | PEC | PRODUCTS ENGINEERING CORP. | 0858910 |
| 77953065 | PEC | TIG Mfg. Ltd. | 3863527 |
| 90531532 | PEC | Shakina Gumbs | — |
| 88830491 | PEC | Cipherloc Corporation | — |
| 88771767 | PEC | Zenith Weighing System Corp. | — |
| 73308149 | PEC | Products Engineering Corp. | 1213076 |
| 78882289 | PEC | Carl Zeiss AG | — |
| 78236067 | PEC | Smartpros Ltd. | — |
| 77804613 | PEC | Polycom, Inc. | — |
| 76573673 | PEC | People's Emergency Center | 2991254 |
| 78882283 | PEC | Carl Zeiss AG | — |
| 78034383 | PEC | IRAD NV | — |
| 77187321 | PEC | Professional Engineering Corporation | 3425636 |
| 76311239 | PEC | PHOTIC ELECTRONICS CO., LTD. | 2658764 |
| 75913649 | PEC | PEC SOLUTIONS, INC. | 2433410 |
| 75913501 | PEC | PEC SOLUTIONS, INC. | 2431404 |
| 75474595 | PEC | Gibros PEC B.V. | 2382183 |
| 75114154 | PEC | BARTOLOMEI, ALBERTO S. | 2052753 |
| 75112575 | PEC | PEAVEY ELECTRONICS CORPORATION | 2393777 |
| 74228317 | PEC | Photoelectron Corporation | 1875868 |
| 73706947 | PEC | POLYMER ENGINEERING CORPORATION | 1500071 |
| 73486366 | PEC | PEC ISRAEL ECONOMIC CORPORATION | 1352033 |
| 73486365 | PEC | PEC ISRAEL ECONOMIC CORPORATION | 1350962 |
| 73484339 | PEC | PACKAGE EXPRESS CENTER, INC. | 1343373 |
| 73484338 | PEC | PACKAGE EXPRESS CENTER, INC. | 1343372 |
| 73453170 | PEC | PROMAX-JOHNTON ELECTRONIC CORPORATION | 1345734 |
| 73382069 | PEC | Pousutong Enterprises Company Ltd. | 1247014 |
| 73363919 | PEC | Power Electronics Corp. | 1233432 |
| 73230662 | PEC | Peterson Equipment Co., Inc. | 1154738 |
| 73202036 | PEC | Process Engineering Company S.A. | 1148787 |
| 73166059 | PEC | PETROLEUM INFORMATION CORPORATION | 1112011 |
| 73136565 | PEC | PENN ENVIRONMENTAL CONSULTANTS, INC. | 1111094 |